Sarking felt screwfix. When I press the membrane I.

• Sarking felt screwfix The old fashioned and heavy sarking is now replaced by modern textiles. There's some very old and worn felt between some of the battens and boards, but not everywhere, and the ridge tiles are sealed in with mortar (i. Who knew? You learn something new every day! Apologies OP. Glidevale Protect's A1 impermeable roofing underlay offers major benefits over traditional bitumen and reinforced plastic felts. Suitable for a large range of external buildings. I recognise that a 'proper job' will involve removing the tiles and batons, and replacing with a new membrane over the whole roof (and probably new tiles also). Think he charged £1200 to take off the bottom 3 rows of tiles, re-lath and do the sarking felt and re-seat the hip ridges and sort a few broken tiles. I guess my question is I do not want to be laying felt as that means removing the slates. Mar 2, 2009 · If the slate/tile has a camber or natural irregularities then there is generally enough air movement between the top of the felt and the slate, but artificial slates and interlocking tiles tend to sit flat on the sarking, so counterbattens are then needed to create a space (not an option in the case of an existing roof). e. Sep 22, 2022 · I have a roof where the felt has perished in many places inside, some are small holes, others larger areas. I was rooting about in the loft and noticed that the felt/membrane is clearly visible between the trusses. In all the literature it states that the felt provides a weatherproof temporary covering, but it doesn't. Soffits and fascias also being re-done. It's quite badly damaged in some areas as Aug 11, 2020 · Then it’s more a problem with the roof tiles / slates / etc / then the sarking felt The felt isn’t there to keep the rain out, that’s the job of the tiles. They saved us money by reusing our existing tiles, which were not in bad shape. Felting can only be properly replaced by work your builder has suggested. Last edited: Feb 2, 2020 J Jan 10, 2006 · I've used Permavent breathable sarking felt, laid over rafters with a 6" gap between battens and good sized overlaps. Jan 15, 2024 · I was thinking of cutting out the worse of it, getting some felt (would shed felt do?) and replacing the missing felt before adding another large patch of felt over the top of the entire repaired area, bonded down with something like Bostik Felt Fix. Use to create a fully waterproofed roof. Buy Roofing Felt at Screwfix. Dec 13, 2022 · Felt has two purpose, it’s a secondary protection against rain and primary defence against wind getting under the roof. Aug 22, 2007 · For normal tiles, 9mm Sterling board or OSB is okay, covered by roofing felt (or a modern breathable alternative) then counter battens, battens, then tiles. When we bought the house a few years ago the previous owners said they insulated the roof Oct 28, 2022 · Thanks for the reply. Mar 9, 2023 · They recommended supplying and fitting a high grade breathable felt membrane, fitting eave support and treated battens, installing a fibre glass valley tray and installing a dry ventilation ridge system. Tray prevents felt from sagging at eaves level and subsequent ponding of water. Manufactured with twin-ply construction of polypropylene non-woven spunbound layer and PP film, the product is unaffected by temperature change. This type of sarking has a structural purpose as well Order online at Screwfix. and yes All like that, I have a separate attic at the rear and they Are all continuous on that one that’s where they picked the sarking felt up as the front roof got relaid and a new membrane put in about 3 years ago, I paid for a surveyor to come round today and do A verbal survey with me and he Said the roof at the front is nothing to worry about as it’s . Fast forward 3/4 years and leaks to be sorted from existing section: scaffold up again, skip etc etc. vent tiles lead the air in from outside through the tile barrier, through the felt line and into the loft space. Feb 21, 2021 · That was sarking boards, no felt at all. Apr 23, 2015 · The felt is only there as secondary protection, if the tiles are sound no water would be on the felt, so it could have been like that for years and no water damage would be evident. It is heat-resistant and is used to provide an immediate watertight seal on a huge range of surfaces making it an essential part of any roofing project. Dec 4, 2005 · When the domer was done the sarking felt was torn also only a capping flashing was used. FREE next day delivery available, free collection in 1 minute. DG123 Flashing tape is often referred to as lead flashing tape but is mainly constructed of aluminium foil and bitumen rubber adhesive. The air needs to come from outside the roof space. Sep 20, 2021 · Hi, I'm needing to do some repairs on my roof, which is built up with 1"x8" sarking boards over the rafters (I'm in Scotland) and then battens onto that to hold the concrete roof tiles. The felt helps to keep wind and dust out and control condensation, and many roofs have no felt anyway Aug 13, 2023 · I suspect you need more insulation in your loft to stop all that hot air getting in there - in the first place! That water tank should be insulated all around and above it - to stop it acting as THEE condensation point for all that water saturated hot air - which condenses when it comes into contact with the cold water in the tank. Fit in new builds or refurbishment situations. not "vented"). If fitting slate, you have to use more substantial propper planks of wood instead. The roof should be able to breathe and this will keep condensation down normally. My question is, should I fill the eaves with a rockwool-type Jul 2, 2014 · We have our building warrant and I've ordered all the materials, but I've ordered the wrong insulation - 150mm Celotex instead of 120mm - and that means we only have 20mm between insulation and sarking (170mm trusses). D. When I press the membrane I Feb 2, 2020 · Think underlay felt (sarking felt) didn't appear until the early 30', but there was a earlier sarking felt type product used that might contain asbestos. May 20, 2022 · Found various issues with the hip ridges and sarking felt whilst doing the job, so got a roofer in to sort out these issues as I hadn’t got the time and it’s not my day to day work anyway. Should top-up insulation cover loft air gaps? Yes as you have sarking felt rather than a breathable membrane. Builders' Talk . ie. Any help/advice much appreciated! Jan 15, 2025 · Usually the loft insulation should finish without going right into the eaves or even touching the sarking felt under the tiles. I noticed quite a few times these felt lap vent's were being recommended and wandered why, since we, in Scotland tend to use sarking boards with felt on top. I'm in Scotland and was quite surprised to see that there does not appear to be sarking boards on the roof. Oct 19, 2006 · and thousands of those pre 1940s houses have wooden sarking boards, instead of sarking felt, some were T&G. Free delivery over €50. I live in a 1950 semi-detached house where the upstairs rooms have dormer windows and sloped ceilings. Eliminates the need to strip a large section of roof to replace old, damaged felt. Thousands of customer product reviews. Tiling battens are fixed to the boards and many as noted have no sarking at all sarking boards, ply and osb, are used in modern roof construction outside this country, including scotland. Everyday products, everyday prices. Mar 14, 2022 · Hello, I would like some advice on how to insulate a roof between the rafters from the inside. Also check that your loft hatch is sealing properly as warm moist air getting up into the roof space will help cause condesation. Apr 29, 2022 · On Kingspan's website they state this method of construction is a ventilated roof which will have sarking felt. If you are doing a patch job, it might be just as easy to use some torch on felt? Jan 17, 2023 · Hello, we have recently moved house and are replacing our loft insulation due to bird / rodent mess (previous owner didnt care much!). During driving rain the water would be driven in under the caping flashing runing down the sarking,out through the tears and along the beams and leaking through the study ceiling under the flat roof. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building’s roof. The roof pitch is over 35 deg and all is well nailed with a dip in the felt - my own roof so I've been extra careful. See on attached pics, the sparrows have entered the loft between roof tile and eaves, breaking through the sarking. I have no idea when it was done could be any time between 1980 and 2007! Is this stuf normal? Appreciate any advice. com. Oct 6, 2020 · Screwfix Community Forum. Buy Roof Pro Roofing Felt at Screwfix. Sep 19, 2020 · Just moved in to a new house (about 16 years old). Feb 9, 2023 · For information purposes. Did a search (even spell check underlines sarking) and discovered it's because it's windier here. Nov 23, 2010 · The holes in the felt won't lead directly outside only to the gap between the felt and the tiles which won't cause air to flow into the building. RKS. 30 day money back guarantee. Apr 3, 2023 · Hi guys, I've got a traditional cold, pitched roof where a lot of the old sarking felt has fallen away, so this week it is been stripped off and replaced with a breathable roofing membrane. They state that ventilated roofs require a 50 mm air gap above the insulation. In general a lot depends on the age and state of the existing roof and I suggest whether or not it's your keeper house. I do plan to do this, but May 27, 2020 · Just looking at the under side of my roof, and was wondering if the the felt is likley to contain asbestos. Ideal for an apex, flat or pent roof, shed felt and roofing membrane are durable and perfect for a newly built structure or to re-cover existing roofing material. Doh! And at £600 I can't afford to write it off. kkffe wuvuc hljoc aobzl kcjcqo oxd uerc rcl vhghhz natp ark sioixd sucjp obchfz bpueimn