Caulking Cedar Siding Seams

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Caulking cedar siding seams.

Nichiha panels bring the look of wood stone brick metal more to your commercial or residential projects with high performance fiber cement. Z flashing z flashing z flashing min. Because the staing will tint the caulk slightly. 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.

It needs to move and breathe. Me i would powerwash the house let dry overnight caulk the seams and around the edges with cedar colored caulk then stain. 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. I m not a painter but i do install cedar siding and i always caulk all the joints.

Generally we do not recommend caulking butt joints on cedar siding. 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. If i am installing a prefinished product which i do mostly i use a color osi match caulk.

Think of a wood home as a living thing. Don t use a filler like wood filler as it will not move with the cedar siding. If i install a non finished product i usually go with a 3m paintable caulk. The siding expands and contracts with temperature and humidity.

Out from the fascia. Do not caulk extend shingles at least 1 in.