When it comes time to repair or replace the roofing felt on your home or outbuilding, you’ll want to choose a product that is durable, weatherproof, and reasonably priced. As one of the top hardware and home improvement retailers in the UK, B&Q offers a wide selection of quality roofing felt to meet different needs and budgets.

I recently went on a mission to find the best roofing felt B&Q has to offer for my garage re-roofing project. After spending hours researching the different options both online and in store, I’m sharing everything I learned to help other DIYers make the right choice for their roofing needs.

The Many Types of Roofing Felt Available at B&Q

One of the first things I discovered is that not all roofing felt is created equal. B&Q actually sells several different types of felts designed for various applications. Here’s an overview of what’s available:

• Standard felt – This is a basic asphalt-saturated roofing felt made with organic fibers. It comes in No.10 (10 square meters per roll) and No.15 weights. Best used as an underlay for tiles and slates.
• Heavy duty felt – With a heavier bitumen coating, it offers better durability and weather resistance than standard felt. Ideal as an underlay or shedding layer.
• Perforated felt – Features perforations to allow vapour to escape from the roof structure. Used to prevent condensation build-up under tiles or slates.
• Self-adhesive felt – Comes with a peel-and-stick adhesive underside for easy DIY application. No nails or gluing required.
• Mineral-surfaced felt – Coated with mineral granules to improve weather resistance. Works as a top layer for flat roofs.
• Torch-on felt – Designed to be melted and sealed into place with a roofing torch. Creates a seamless waterproof finish for flat roofs.
• EPDM rubber roofing – A rubber polymer roofing sheet that can be fully adhered, ballasted, or mechanically fastened. Extremely durable option.

With so many types readily available at B&Q, I just needed to select the one that would work best for my garage roof project and budget.

Comparing Roofing Felt Prices at B&Q

Of course, cost was an important factor in my buying decision. Roofing felt prices at B&Q range from just £6 per roll on up to over £100 for premium products. Here’s a look at what I discovered:

• Basic No.10 standard felt rolls start at £6-12 per 10 sqm roll.
• No. 15 standard felt and heavy duty felt cost £15-25 per 10 sqm roll.
• Self-adhesive felt is pricier at £20-45 per 10 sqm roll.
• Mineral-surfaced felt ranges from £30-60 per 10 sqm roll.
• Torch-on felt runs £100-120+ per 10 sqm roll.
• EPDM rubber roofing sheets are the most expensive at around £100+ per square meter.

Of course, more durable materials that offer better weather resistance do cost more up front. But they can also save money in the long run by extending the lifespan of your roof. So don’t just choose the cheapest felt – make sure it fits your specific project needs.

I decided to go with a heavy duty felt rated for up to 10 years life expectancy. At £22 per roll, it provided the level of performance I wanted at a very reasonable price.

The Weatherproofing Ability of B&Q Roofing Products

A key purpose of roofing felt is to act as a secondary waterproofing layer under your main roof covering. So I wanted to be sure the B&Q felt I chose would be fully waterproof.

According to the manufacturer specifications, all of the roofing felts and membranes sold at B&Q are completely impermeable to water. The mineral granules, bitumen, and surface coatings prevent moisture from seeping through the material. Some products even meet European standards for full water tightness.

To improve weather resistance even further, opt for a self-adhesive or torch-on felt membrane. The bonded layers create a seamless barrier that water simply cannot penetrate. Just make sure to carefully follow the manufacturer’s installation instructions.

With the heavy duty felt I selected, I can rest assured that no rainwater will get past to cause leaks or damage. Thanks to B&Q’s roofing felt options, you can find the level of all-weather protection your particular roof requires.

Available Roofing Felt Sizes at B&Q

Another factor to consider when purchasing roofing felt is the size of rolls available. You want to buy enough to cover the entire surface area of your roof in as few seams or joins as possible.

B&Q stocks a range of roll sizes to suit all roof dimensions:

• Standard size – 10 square meters (32.8 ft. x 3.28 ft.)
• Medium size – 15 square meters
• Large size – 20 square meters
• Extra large – 25 square meters

The jumbo 25 sqm rolls are ideal for larger roofs. For my mid-sized garage, the 10 sqm standard rolls provided the ideal coverage with minimal waste.

You can also find EPDM rubber roofing sheets at B&Q in sizes up to 15m x 2m for seamless waterproof protection. Measure your total roof area and buy accordingly for the most cost-effective project.

Installing B&Q Roofing Felt – Step-by-Step

Once I had the right type and quantity of heavy duty felt purchased, it was time for the fun part – installing it!

Here is a step-by-step overview of how to apply roofing felt:

1. Start with a clean, dry roof surface. Sweep away any debris and use a cloth to wipe dust or dirt.
2. Cut the felt to the required length. Unroll it and lay it out flat on the roof to measure. Cut with a sharp utility knife.
3. Align the first sheet across the roof. Start at the bottom edge using the overhang for a straight line.
4. Secure with clout nails. Space nails approximately 100mm inward from edges and down the overlaps.
5. Overlap each roll by 100-150mm. Make sure not to stretch or pull the felt tight.
6. Seal the overlaps. Apply roofing cement to the joins for a watertight seal.
7. Work up the roof in rows. Maintain the overlap pattern and nail each sheet in place.
8. Trim edges flush once the whole roof is covered. Cut away any excess.
9. Apply cap nails along the edges, hips, valleys, and ridges. This secures the felt firmly in place.
10. Add battens over the roofing felt to provide ventilation.

That’s all there was to it! In less than a day, I had my garage roof neatly covered and protected with the heavy duty felt from B&Q. Just take care on ladders and with cutting tools when doing your own project.

Does B&Q Roofing Felt Come with Adhesive?

One quick tip I can share is that the basic roofing felt sold at B&Q does not come pre-glued. The standard grades are designed to be nailed or stapled into place.

However, B&Q does offer self-adhesive roofing felt rolls with a peel-and-stick underside. These make for an easier, faster installation without having to apply cement between the layers.

The Henry Blueskin SA Smart roofing membrane has a special SBS rubberized asphalt adhesive coating. You just align the sheet, remove the release film, and press it down firmly. The adhesive forms a perfect bond instantly.

For my garage, the traditional nailed method worked fine. But self-adhesive felts are a great option for quick DIY repairs or less accessible rooftop projects. Either way, B&Q has you covered.

Using B&Q Roofing Felt for Sheds and Outbuildings

Given that I was re-doing the roof on my freestanding garage, I wanted to make sure the B&Q felt I chose would be suitable for use on sheds and outbuildings as well as main home roofs.

The good news is that all of the roofing felts and membranes available from B&Q can work equally well on garages, sheds, workshops, and other structures. The heavy duty grade I picked is actually ideal for outbuildings since it stands up so well to weather exposure and wear-and-tear.

Even basic standard felt provides ample waterproofing for a garden shed or storage building at an affordable cost. Just go with the thickest, most durable felt within your budget for greatest longevity. And be sure to securely nail and overlap all seams.

Assessing the Durability of B&Q Roofing Products

Longevity was a key priority for me in choosing the right roofing felt. After all, I didn’t want to have to re-do the garage roof anytime soon. So how durable are the B&Q felt options?

Here’s an overview of roofing felt lifespan expectations:

• Standard felt lasts 2-5 years
• Heavy duty felt lasts 10-15 years
• Mineral-surfaced felt lasts 15-20 years
• EPDM rubber roofing lasts 50+ years

The heavier the weight and bitumen coating, the more durable the felt. Heavier grades offer greater impact, puncture, and tear resistance as well. Reinforced scrim within the felt also improves longevity.

Based on the 10-15 year lifespan of the heavy duty felt I picked, I can expect many years of reliable waterproof protection on my garage roof before needing to replace it. Investing a bit more upfront in a robust product from B&Q is worth it for the long-term peace of mind.

Using B&Q Roofing Felt on Flat Roofs

Flat roofing often requires specialized products to ensure proper water runoff. So I double-checked that my B&Q felt selection would work for flat roof applications too.

The good news is that most standard and heavy duty felts can be used on flat or low-pitched roofs up to 10° pitch. The key is overlapping the sheets correctly so that water flows down and over the edges rather than pooling in the center.

But for completely flat or shallow-pitch roofs, B&Q recommends using a mineral-surfaced felt specifically designed for the application. The mineral coating prevents bitumen softening from the sun while providing extra weatherproofing.

This type of modified bitumen product serves as a finished surface layer. Just torch it into place for full water tightness across the entire roof. Proper installation is critical, so consult a roofing professional if needed.

Getting Roofing Felt Delivered from B&Q

My last consideration before purchasing the B&Q roofing felt was how I would get 10 large rolls home from the store. At more than 75 pounds each, the standard felt is bulky and difficult to transport.

Luckily, I discovered B&Q offers free next day delivery on many roofing supplies. When buying online, you simply select your desired delivery date.

For in-store purchases, you can also arrange delivery directly through the store. They’ll bring the felt rolls right to your door whenever it’s convenient.

This delivery service ensured I didn’t have to worry about hauling heavy materials myself or making multiple trips. B&Q took care of it quickly and easily. I recommend taking advantage of the delivery option whenever possible.

Choosing the Best Roofing Felt Product at B&Q

After weighing all the options and factors, I determined that the B&Q Heavy Duty Roofing Felt was the ideal choice for my garage roof project. Here’s why it came out on top:

• Durable bitumen coating rated for 10-15 years
• Reinforced for tear, puncture, and impact resistance
• Suitable for roofs with up to 10° pitch
• Good UV resistance to prevent cracking or splitting
• Completely waterproof construction with sealed overlaps
• Meets quality standards for roof underlays
• Affordable pricing starting at £22 per roll

For my needs, this heavy duty felt provided the perfect balance of performance, longevity, and value. The peace of mind it delivers is worth the extra few pounds over standard felt. But no matter your specific roofing application, you’re sure to find a suitable product within your budget at B&Q.

Eco-Friendly Roofing Felt Options

If you’re looking for a more environmentally-friendly roofing felt choice, B&Q has you covered there as well.

The B&Q Natural Roofing Felt is made from organic fibers and recycled rags using a low-energy manufacturing process. It contains no harsh chemicals or plastic polymers.

This natural felt has many green benefits:

• Biodegradable – decomposes fully at end of life
• Reduces landfill waste and pollution
• Sustainably produced with 70% recycled content
• Requires less energy to manufacture
• Helps earn points toward BREEAM certification
• Qualifies for Green Roof systems and other eco standards

Performance-wise, it offers 15 years life expectancy just like standard bitumen-based felts. So you don’t sacrifice durability by going green.

Making eco-conscious choices for your home improvement projects is important today. B&Q’s natural roofing felt allows you to do just that.

Using B&Q Roofing Felt for Repairs

In addition to full roof replacements, roofing felt from B&Q can also be used for minor repairs and maintenance.

Small punctures, cracks, or damaged areas can easily be patched. Just cut a piece of felt slightly larger than the affected area. Seal it into place with roofing cement or adhesive. Make sure to create an overlay of at least 150mm on all sides for proper bonding.

For repairs around vents, chimneys, and skylights, use aluminum flashing along with sealant and mechanical fasteners. This prevents leaks from wind-driven rain.

If replacing loose or missing shingles, apply new strips of felt beneath for a watertight foundation.

With basic DIY skills, B&Q roofing supplies allow you to quickly tackle any problem spots or updates needed. Just take safety precautions when working at roof height. Proper repairs now can extend the overall life of your roof.

Replacing Old Roofing Felt with B&Q Products

Eventually, there comes a time when the old felt underlay on a roof needs complete replacing. Rather than a patch job, a full overlay with new material is the better solution for improving water tightness.

When re-felting a roof, there are a few good practices to follow:

• Remove the old felt completely by scraping away debris and fasteners. This creates a clean surface.
• Make any necessary repairs to the roof boards or structure before applying new felt. Replace damaged areas.
• Consider installing breathable roofing membrane to allow ventilation and reduce condensation.
• Always start laying the new felt at the bottom edge and work upwards in overlapping rows.
• Maintain the required overlap between sheets (100-150mm) and ensure no gaps or ripples in the felt exist.
• Use plenty of nails and seal the joints thoroughly for maximum waterproofing.

With high-quality felt from B&Q and proper re-roofing installation methods, you can give an aging roof a new long-lasting waterproof foundation. In most cases, the original tiles or slates can be put back into place over the fresh felt layer.

B&Q Roofing Felt Discounts and Offers

The final tip I can offer when buying roofing felt at B&Q is to keep an eye out for sales, promotions, and clearance deals.

Like any home improvement project, saving money is a bonus. I found these possible ways to get a discount:

• Sign up for B&Q Club membership – earn points and get vouchers
• Check online for weekly featured sales and specials
• Look for discounts in the B&Q mobile app offers section
• Buy in bulk for possible volume savings
• Shop clearance items and imperfect products
• Use coupons, promo codes, holiday sales events
• Buy previous season’s roofing stock being phased out

Even at regular price, B&Q felt is affordable. But you may just luck out and find a great money-saving deal on exactly what you need for your roof. Being an informed shopper pays off.

Self-Adhesive Felt Options at B&Q

If making roof repairs in hard-to-access areas or looking for quicker application on a large project, the self-adhesive roofing felts sold at B&Q are a great choice.

They provide that easy peel-and-stick installation without any liquid glue or solvents required. I would recommend the B&Q Black Jack Self Adhesive Roofing Felt.

Some key advantages of this self-adhesive product are:

• Special rubberized asphalt adhesive backing
• No primer or activator needed
• Instantly bonds when pressed into place
• Seals around nails, screws, and joints
• Can be used on wet surfaces or damp boards
• Quick and easy for DIY repairs

Just align it properly, peel away the release film, press it down firmly, and you’re done! This advanced felt technology makes waterproofing roofs almost foolproof. Give it a try for your next project.

How Long Should B&Q Roofing Felt Last?

A very common question homeowners have is how long they can expect the roofing felt purchased at B&Q to last before needing replacement.

The lifespan of roofing felt depends on several factors:

• Type and thickness of the felt material
• Method of application and workmanship
• Roof pitch and exposure to the elements
• Overall quality of installation and overlap sealing
• Level of maintenance to address damage

On average, most standard felt underlays last 2-8 years, while heavy duty and mineral types last 10-20 years. Some premium EPDM felts can even reach 50 years with proper installation.

My B&Q heavy duty felt comes with an expected lifespan of 10-15 years under normal conditions. Proper overlap sealing and preventing direct sun exposure or damage will help maximize longevity.

So the roofing felt itself does not have a firm expiry date – its performance depends on the product quality and care taken during application. Renewing it when needed is key to maintaining ongoing protection.

Using B&Q Roofing Guides

One of the best resources B&Q offers is detailed guides and instructions for all its roofing products. This includes useful felt application tips.

On the product page for each type of roofing felt, there is often an information icon you can click to open the PDF guide. These provide material specifications plus step-by-step installation and safety information.

Some key tips I learned from the guides:

• Store rolls on end to avoid flattening
• Use scissors for trimming, not a knife
• Work up the roof to avoid reversing overlaps
• Allow proper ventilation above the felt layer
• Wear non-slip footwear for safety
• Dispose of old felt carefully according to regulations

The guides also illustrate how to correctly overlap and joint the sheets together. This is critical for proper bonding and preventing leaks.

Never begin a roofing project without reading the manufacturer’s application instructions. The B&Q guides have valuable advice to ensure success.

Fire Safety with Roofing Felts

When installing roofing materials, an important consideration is always fire safety. combustible roof felts can pose a risk if they ignite, especially on taller buildings.

Luckily, B&Q offers felts specially treated for fire resistance:

• B&Q Fire Resistant Roofing Felt – Made with flame retardant additives to achieve Class E fire rating under BS476-3 standards. Self-extinguishes to prevent burning.
• B&Q Torch-On Fire Rated Mineral Felt – Embedded glass fibers increase fire resistance. Rated for external fire exposure under BS476-3/BS6229 tests.

These products pass strict independent testing to minimize flammability. The fire ratings provide peace of mind and also meet code requirements for certain buildings.

Proper installation is still key – be sure to seal all perimeter edges and openings completely to avoid ember entry. Taking the fire rating into account ensures optimal rooftop safety.

Reviews of B&Q Roofing Felt

Before selecting my B&Q heavy duty roofing felt, I checked out reviews online to see what other DIYers had experienced with the various felt products.

Overall, most reviews I found were very positive – between 4-5 stars. Here are some of the common feedback points:

• Easy to work with and cut to size
• Effective at waterproofing when installed correctly
• Good value for performance compared to other brands
• Holds up well over time without sagging
• Quality product at a reasonable price
• Arrived in good condition without flaws
• Would recommend it to other homeowners

Of course, proper installation is key to getting optimal life out of any roofing felt product. As long as you carefully follow the steps in the B&Q guide, you can expect great results from your project.

Judging by the many positive reviews, contractors and homeowners clearly appreciate the reliable quality and affordability of B&Q’s roofing felt selection.

In Summary

After all my B&Q roofing felt research, I’m confident I chose the ideal product for my garage re-roof at a very fair price.

Hopefully the key considerations and tips I’ve shared here help simplify the process for tackling your own roofing needs. With the right choice of durable, weatherproof felt from B&Q and proper installation, you can expect long-lasting performance and great value from your investment.

Your roof is one of the most important assets of your home or outbuilding. Protecting it properly with quality materials like those available from B&Q provides true peace of mind for years to come. Thanks for taking the time to learn more about finding the best roofing felt for your project!