My Roof Doesnt Have Boards Under The Tile

Under tile sheeting is placed under the roof tiles ensuring a perfect proofing membrane for all elements which affect housings and developments.
My roof doesnt have boards under the tile. I have lost count of the number of times i have had someone out to look at the roof and i ve spent hundreds of pounds in repair bills. My roof does not have felt lining how critical is it to have felt lining the house is a 1930 s end terrace with just slate tiles on with no felt there are no leaks at present but i am wondering the cost to have this re tiled with a felt breathable membrane lining. It was installed in 1929 to replace the original cedar shakes and has weathered hurricanes like a champ. I just had my roof re done but there are areas where the roof sags as if the old plywood wasn t replaced.
This is a distinct advantage over plywood and drywall. I have a question about the deck part of your roof. Roof that badly needs to be replaced. There is one chimney no valleys 8 12 pitch and 30 linear ft.
It s currently leaking and i called my insurance company and received a claim. Old concrete roof tile replacements photo by rangerx istock. The roof tiles have all been inspected and any that were cracked or chipped replaced the ridge tiles have been repointed the mortar on the side of the roof has been repaired were necessary and there aren t any slipped or missing tiles or anything else untoward. If it is that trades people on the roof over the years have put their feet through the felt small patches can be inserted in a v shape to the width of the trusses and stapled to the roof trusses internally over the lower strip and under the upper strip.
Depending on how bad the felt is i e. What is the rule on the deck of a roof. Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile. This can generate mold that can be hazardous to humans and animals.
Should the plywood be replaced along with the shingles. My house is a 97 year old victorian with a concrete tile roof. If 180mm is to be installed then 100mm board might be introduced between the rafters there has to be a minimum 25mm air gap between the insulation and the underside of the tiles or slates with an 80mm board running. It can also cause damage to the subfloor or wood underneath the tile.
Kingspan with a warm roof the usual process is to split the insulation into two layers. The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet. I have an 11 sq. There will also be kooltherm k7 pitched roof board between the rafters image credit.
Knowing if you do have water underneath tile is important. It is also used for the prevention of draughts and dust penetration into the roof spaces through tiles and slates and prevents damage to ceilings rotting of timbers and corrosion of plumbing.