How To Keep A Metal Roof From Leaking

These roof systems are capable of holding water without the roof system leaking.

How to keep a metal roof from leaking.

Missing sealants metal roof sealants that are. Once you use urethane roof cement and apply the new patch you have to do it correctly. Typically these metal roofs are found on larger pre engineered metal buildings. Replace any missing or rotted siding above the step flashing on dormers.

If not tightened enough the washer does not form tight seal and may leak. Thirdly screws with washers must be drilled to the correct depth. Apply a coat of urethane cement over the entire area. Metal roofing screws roofing screws are responsible for the majority of leaks on metal roofs.

Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk. An extension of at least six inches is good enough to secure the holes and gaps effectively. Stack flashings another area very prone to leaks on a metal roof is the area around stack flashings. If the seal is overtightened the over compressed may leak.

These larger structures are more costly to design with a steep sloped roof assembly. Recaulk the corner flashing if any areas have hardened caulk.