Repairing Guides

how to repair roof felt under tiles

by Audrey Quigley II Published 3 years ago Updated 2 years ago
image

How to Repair Tile Roof Underlayment

  • Step 1 - Putting on the Underlayment. Be sure to use a ladder that can handle your weight and is large enough to hold...
  • Step 2 - Attaching the Felt to your Roof. Fasten the felt on your roof using the cap nails. Observe equal distance of...
  • Step 3 - Trimming your Felt and Polishing your Work. Trim the excess felt so there is no...

Full Answer

Do I need to replace the felt on my loft roof?

The felt on my house roof is perishing in several places and needs replacing. Is there a way of insulating my loft, replacing the felt, without removing all the tiles as this will cost £5500! Is it a flat roof? You don't need any felt if the tiles are OK. If you are getting leaks through the tiles then they probably need replacing anyway.

How much does it cost to replace roofing felt?

To replace a small section of roofing felt involves stripping the tiles from the roof and replacing felt between two joists. This will cost around £460-£510 made up of: A common problem is when roofing felt, on a roof with an enclosed soffit, disintegrates around the eaves of a roof.

How to repair tile roof underlayment?

How to Repair Tile Roof Underlayment. 1 Step 1 - Putting on the Underlayment. Be sure to use a ladder that can handle your weight and is large enough to hold you upright. Always be cautious ... 2 Step 2 - Attaching the Felt to your Roof. 3 Step 3 - Trimming your Felt and Polishing your Work.

Do I need felt to insulate my roof?

Is it a flat roof? You don't need any felt if the tiles are OK. If you are getting leaks through the tiles then they probably need replacing anyway. Or is it the dust your are trying to prevent? Insulating where? At rafter level or floor level? Make sense boy!!!! If it's a normal pitched roof with tile or slate, no way at all.

image

How do you replace felt under tile roof?

0:245:27How to repair roofing felt under tiles - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt's a common problem is on the ends. It's mainly the ends will go first as you can see there's aMoreIt's a common problem is on the ends. It's mainly the ends will go first as you can see there's a bird nest in there.

Can you repair roofing felt?

For larger sections of felt roof, patching is the most cost-effective and time-saving method. When patching, the first step to repairing a felt roof is to cut away the section which has become damaged. We recommend doing this by first scoring with a specialist Stanley knife and then cutting through.

Should there be felt under roof tiles?

Roofing felt is usually required under roof tiles to prevent the desk from being exposed, it also may be applied as your roof deck may not lie perfectly straight. A layer of roof felt gives you an even surface to install tiles/shingles.

How do you repair roof felt underlay?

0:312:28Repair roofing felt from inside - YouTubeYouTubeStart of suggested clipEnd of suggested clipDirectly over the oil in the fault. This is incredibly sticky once you peel off the backing paper.MoreDirectly over the oil in the fault. This is incredibly sticky once you peel off the backing paper. It is like a tour finish that will virtually stick to anything.

How long does roof felt last under tiles?

about 30 yearsHow long roofing felt lasts underneath your tiles will depend on the type used. You can expect traditional roofing felt to last for about 30 years, although this will depend on the conditions it's exposed to. Other modern alternatives tend to be more durable, although they're usually more expensive.

Can you felt over old felt?

When felting over any old felt you can use a bitten primer to get a proper fix, some felts are also a 3 layer system allowing them to go over old felt, however if he has quoted for old felt to be removed then that is what he should have done.

Can a roof leak without felt?

Some older properties do not have felt and as long as they don't leak its Ok. It is though difficult to repair so in the long run you are better off striping the roof and felting. You may be able to use the original tiles depending on their condition.

How do you replace roofing felt?

0:351:20How To Replace Damaged Roofing Felt - YouTubeYouTubeStart of suggested clipEnd of suggested clipEvenly. Start to tack down the edge of the filter put the six inch intervals on both sides. RememberMoreEvenly. Start to tack down the edge of the filter put the six inch intervals on both sides. Remember to smooth the felt out before tacking to prevent. Wrinkles.

Can I felt my roof from the inside?

However, you could try stapling felt (or something similar) to your roof joists on the inside - instead of between joist and tiles - to give yourself a little protection without "sealing" the room.

How do you fix a hole in felt?

2:264:09FELT PATCHING - How to fix a felted project - YouTubeYouTubeStart of suggested clipEnd of suggested clipAll you need to do is get that hat wet again slip it back over the ball. Do the same process roughMoreAll you need to do is get that hat wet again slip it back over the ball. Do the same process rough up the hair patch the hole throw. All your pantyhose.

What is the best adhesive for roof felt?

Black Jack 904 Bitumen Roof Felt Adhesive is the ultimate cold applied, bitumen-based adhesive used to bond roofing felt to most surfaces metal, concrete, timber and more....UsesBonding all types of roofing felts to metal, concrete, roofing felt, wood.Sealing roofing felt laps.Bonding chippings to final layer of felt.

How do you repair a roof membrane?

How to Repair a Flat Roof MembraneSweep the area free of dirt and debris, using a push broom. ... Apply a thick, even coat of EDPM primer to the area, using a paintbrush. ... Trim the rubber patch to extend 2 to 3 inches beyond the ends of the damaged area. ... Remove the backing material from the patch.More items...

What is a damaged felt roof?

Roofing felt was introduced in the 1930s. It served two main functions. It acted as a protective barrier to the house before the main roof covering was constructed. It also functioned as a secondary barrier to wind driven rain and snow which penetrated under the roof covering as well as potential pests like insects and birds.

Why does my roof have damp patches?

A common problem is when roofing felt, on a roof with an enclosed soffit, disintegrates around the eaves of a roof. Wind driven water that would normally flow down the felt and into the gutter instead drips onto the soffit and then back onto the ceiling of the room below through gaps in the felt. This normally shows up as damp patches around ...

Can you repair a roof without felt?

Repairing Roofing Felt. Many roofs function quite well without any roofing felt, so small tears and damage to roofing felt are not in themselves reasons to spend money on repairing it. Where wind driven rain is working under the roof and causing leaks then the felt will need to be replaced.

Can roof felt be a damp floor?

This condensation can then drop onto the attic floor, causing damp to appear on ceilings. In the 1980s breatheable membranes were introduced as a replacement for roofing felt.

What is felt roofing?

Roofing felt, also known as roofing underlay, acts as a protective barrier between the roof deck and the roofing shingles. It keeps roofs watertight and has a lifespan of around 30 years depending on the material used. Although essential for flat roofs, roofing felt is also suitable for pitched roofs.

How long does it take for a felt roof to leak?

After 20 years of exposure, cracks begin to appear, making your roof highly prone to leaks. While it is possible to replace small patches, replacing the felt entirely will prolong the life of your roof and prevent further damage to your property.

What are battens on a roof?

Battens – Battens are the lengths of timber that are nailed to the rafters on top of the felt onto which the tiles are fixed. During roofing felt replacement, new battens will need to be added which will ...

What is the most expensive roofing felt?

Felting – Roofing felt prices vary depending on the type and quality of material used. The most expensive roofing felt is rubberised asphalt.

What is roofing felt made of?

What is roofing felt made from? Roofing felt typically comprises of a base (made from wood, cellulose, fibreglass or polyester) which is coated with a layer of asphalt to repel water while promoting breathability. This final top layer protects the roof from the impact of exposure to extreme cold or bright sunlight.

How long does premium felt last?

While premium-grade felt is designed to last around 20 years, constant exposure to hot and cold temperatures will cause the felt to contract and expand. Over time, the felt will lose elasticity and become hard and brittle. Before long, small cracks start to form, leaving the roof space below vulnerable to weather damage.

Does felt insulation work on a roof?

Designed to repel water and withstand icy winds, roofing felt provides insulation and prevents your property from weather damage. While the lifespan of roofing felt is long, deterioration over time is inevitable. If you suspect this is the case, read on for an overview of the average cost of replacing roof felt under tiles.

Mojo12345

Hi everyone just went up on my loft space and found out that the roof tiles have no felt underlay or felt sarking, is this a major problem I recently brought the house it was picked up in the survey that there was no undertile felt, from what I have read a lot of houses built in 1930s don’t have the felt.

Mw Roofline

Your roof like that is probably more watertight than new builds with big pan tiles.

Mojo12345

These are the tiles from up top, I have a leak just don’t know where it’s coming from damp patches on wall

datarebal

obviously there has been some damage, two concrete plain tiles one broken on the bottom course.

DIYnot Local

If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

image
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9