How To Close Metal Siding Gaps

How to close a gap in vinyl siding step 1.

How to close metal siding gaps.

They make foam closure strip that you can use in conjunction with the metal to stop air infiltration as well. Then just slide a right angle bent piece of flashing up under the upper siding and another under the bottom of the thimble and over the exposed top of the siding. To slide two pieces back together you ll need a zip tool. Correctly sized backer rod a bond breaker and properly applied sealant is the appropriate way to handle the joint between dissimilar materials with different coefficients of expansion both thermal and moisture such as wood trim and cement plaster.

Head to the hardware store. I keep my eyes out for anyone who might try nesting in there but other than that if your worried abou the space use caulk or expanding foam to fill the gap or the foam strips. Another option is metal step flashing. Simply apply this inexpensive filler into the cracks to seal.

Step away from the caulk gun. Position a stepladder if needed beneath the window door or other area with gaps in the exterior trim. If the hole is more than a 1 4 of an inch caulk won t solve the problem. Paint works well over it.

Climb the ladder and inspect the caulking between the trim and the siding looking for any. If you want to seal it use foam backer rod of a size that will just barely stuff in there. Seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.