Quick Answer: What can I put over felt roof?

‘Resitrix’ is ideal membrane system for felt overlay. Do not try to lay EPDM over felt. Felt if in good order, free of dirt, dry, needs to be primed with FG35 primer (produced by Carlisle Industries).

Can you overlay a felt roof?

We offer built up felt roofing which employs a 2 layer system which provides excellent insulation in addition to being very durable. This can be applied directly over existing felt roof making it a convenient and cost effective way to enhance a felt roof without the need for more major building works.

Can you put Fibreglass over felt?

The short answer is yes. Can fibreglass be applied over the top of old felt? Absolutely not. A flat, dry and solid surface, normally wood, typically 18mm thick is required for flat roofs.

What do you stick roofing felt down with?

Bostik Bituminous Felt Adhesive for Roofs is a cold applied adhesive for bonding bituminous roofing felts to asphalt, felt, metal and concrete.

Is it OK to leave Old felt on roof?

Yes it’s okay I suppose,but make sure all previous nails and staples are removed or pounded down to prevent tears when your rolling out the new felt. Usually the felt more ore less comes off as your stripping old shingles or cedar shakes.

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Should old roofing felt be removed?

Anything the contractor does with the materials after that point is not GAF’s responsibility. However, they strongly urge roofers to remove all the old felt and replace it as it is an industry best practice.

Can you felt a concrete roof?

Torch-on felt can be applied to concrete, timber and metal deck flat roofs, and can form the covering for garages, sheds and flat roof extensions. As well as residential applications, torched-on roofing felt can also be applied to larger, commercial buildings.

How do you repair shed felt?

How to repair shed roof felt

  1. Remove finials and fascia boards.
  2. Untack existing damaged felt.
  3. Measure the roof and cut new felt to size.
  4. Tack down new felt.
  5. Re-affix fascia boards and finials.
  6. Check regularly.


How long does a Fibreglass roof take to dry?

Ideally, it is best to aim for a curing time of between 20 to 30 minutes. Never use less than 1% or more than 4% catalyst. Never underestimate the effect of temperature. Resins will not cure at or below freezing and will always cure much quicker in direct sunlight.

Can you walk on a Fibreglass roof?

Yes, a Fibreglass Roof can be walked on. A roof with little to no foot traffic expected would suit 1 layer of 450g matting, a moderate level of foot traffic should use 1 layer of 600g matting and a balcony or a roof with regular foot traffic should use 2 layers of 450g matting. …

Does roofing felt need to be glued?

no need for adhesive. 90% of sheds have none. just get a good lap on the felt.

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Should I use felt adhesive?

If you do not use too many nails, the bitumen will seal around them. The reason you should use adhesive sparingly is because the bitumen in the shed felt will expand in warm weather and it will contract in cold weather. Not using too much adhesive allows it some give, which prevents it from tearing or cracking.

How do you attach roofing felt?

Tack it in place at the corner, with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof deck, over the drip edge. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. Use a construction stapler or a hammer.

Roofs and roofing