Best Caulk For Hardie Board Siding

This means that hardie contractors are used to overapplying their caulking and letting it shrink over time.

Best caulk for hardie board siding.

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. But you are correct that it is very difficult to paint. I m shopping around for suggestions on the hands down best paintable caulk for my new fiber cement siding job at both the plank butt joints and the plank trim intersections. James hardie does not recommend the use of caulk at field butt joints.

So what i would tell you to do is to use a colored caulk to choose the caulk in the color of the siding. The dap 18110 acrylic latex caulk takes only half an hour to harden after which you can add any kind of paint or polish over it. For best results use an elastomeric joint sealant complying with astm c920 grade ns class 25 or. All weather window door max shield by ge sealants and adhesive best caulking for hardie board siding in budget.

What you want to use is a silicone caulk because it s the most permanent one. While paint does tend to somewhat glue these pieces together caulking them is never advised and can cause permanent damage. For years quad caulking by lepage has been the standard hardie caulking in the edmonton market. Price is a lesser consideration than durability and latex paint holding ability.

You can use this sealant anywhere and on any kind of surface from cement to wood metal to plywood. Caulking them is a mistake and the caulking is likely to fail prematurely. Quad caulking is uv resistant and flexible and when it cures it shrinks about 30. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

Bottom of siding boards should not be caulked water is meant to exit through the bottom of each board. It s got good adhesion and expands and contracts. This is chicago so the temperature and humidity extremes are pertty substantial. Hardy plank cannot be stained.

Rubber adhesive sealant caulk by flex shot best caulk for hardie board and interior objects.