Caulking Cedar Siding Seams

Out from the fascia.

Caulking cedar siding seams.

It needs to move and breathe. Do not caulk extend shingles at least 1 in. Siding caulk can be used on several different areas of your exterior siding to help prevent water damage and moisture buildup. I m not a painter but i do install cedar siding and i always caulk all the joints.

Me i would powerwash the house let dry overnight caulk the seams and around the edges with cedar colored caulk then stain. Grumpy chicago gutters. Z flashing z flashing z flashing min. When james hardie siding products butt into wood based materials a 1 8 gap will allow for expansion and contraction of the wood based product.

Natural siding boards are designed to expand and contract with the elements and we do not want any adhesive to prevent their natural movement. If i am installing a prefinished product which i do mostly i use a color osi match caulk. If i install a non finished product i usually go with a 3m paintable caulk. Generally we do not recommend caulking butt joints on cedar siding.

Some of the most commonly caulked areas of siding include both corners and crevices as well as some butt joints and window and door trim boards. Nichiha panels bring the look of wood stone brick metal more to your commercial or residential projects with high performance fiber cement. Think of a wood home as a living thing. Slabs path steps to siding figure 7 deck to wall figure 8 ground to siding figure 9 gutter to siding figure 12 drip edge figure 13 block penetration figure 14 valley shingle extension min.

James hardie recommends the use of caulks and sealants that remain permanently flexible. Because the staing will tint the caulk slightly.