How To Seal Siding Joints

Proper sealants are important for preserving the integrity and warranty of lp siding.

How to seal siding joints.

Although lp building products siding is available bare or painted cutting the materials to fit during installation exposes some areas to the elements. Wall corner siding trim flashing details. How much space do you need between lap siding pieces. Lp siding requires flexible exterior grade paintable caulk to seal gaps.

It comes untreated so you have to paint or stain it after installation if you want it to last and provide maximum weather resistance. 1 i chose this caulk because it has 25 flexibility compared to silicone based caulk. Lp requires a minimum 3 16 spacing at all butt joints. 2 house built before 2008 so has no flashing okay to caulk.

It provides an easy and efficient method for siding rustic structures like barns and sheds and is commonly used on houses as well. T1 11 is an engineered plywood product. A lot of moisture from rain snow misdirected sprinklers or exuberant water fights can get in there enough to do some serious and expensive damage. Butt joints are a perfect example of poor joint design they re too small to accommodate a bond breaker so the caulk can t stretch properly once applied but they re also too large to simply leave alone.