How To Seal Siding Joints

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.

How to seal siding joints.

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. It provides an easy and efficient method for siding rustic structures like barns and sheds and is commonly used on houses as well. Lp siding requires flexible exterior grade paintable caulk to seal gaps. Wall corner siding trim flashing details.

Although lp building products siding is available bare or painted cutting the materials to fit during installation exposes some areas to the elements. Lp requires a minimum 3 16 spacing at all butt joints. Proper sealants are important for preserving the integrity and warranty of lp siding. How much space do you need between lap siding pieces.

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. Do i have to caulk at butt joints. It depends on the option you choose but if joint caulking option is selected seal all gaps at butt joints with a high quality exterior sealant meeting the astm c920 minimum class 25 sealant.