Best Caulk For Hardie Siding

Without further ado let s get on with it comparison of our best caulk for hardie string.

Best caulk for hardie siding.

We need air circulation behind these boards and the opening acts as a water exit should water ever go behind the boards. In this article i ll talk about the caulk sealants i personally used. Pros and cons of painting hardie plank. Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur.

1 i chose this caulk because it has 25 flexibility compared to silicone based caulk. So here i am telling you about the best caulk for hardie siding. Caulk is the perfect tool for sealing gaps and cracks at your diy projects. Deterioration of the caulking in the joint has become a maintenance issue for home owners over time.

Best caulk for hardie siding. Can you tell me what gap you use between butt joints on horizontal lap siding and the best caulk for the joint. I am planning to install horizontal hardie plank lap siding and the hardie info says use a latex sealant per astm c834 or c920 grade ns class 25. It is mostly used on doors and windows.

Apparently no one here read the technical bulletin 9 that james hardie released in 2008. You have been one of those solitary souls standing in the caulk s aisle in one of those endless home centers. Joint flashing is recommended for all hardie lap siding now. How much expansion contraction is going to take place with this siding.

But most importantly i ll share my experience about what you should and shouldn t do. Then make sure the coating is completely dry before applying the 2 nd coat. You need to have the best caulk for hardie siding to help your walls and wooden surfaces to get rid of open cracks and thin spaces between joints. Once all caulk is dry and your siding is clean you ll paint hardie plank with a high quality exterior grade acrylic latex.

There are plenty of options and you do not know where to start. Hardie no longer recommends the caulking of any joint in their lap siding colorplus or primed. On most new homes the trim goes up after the siding is installed which creates a large gap that should not be caulked. Any lower and you might see a few nail heads poking through the bottom of the next board any higher and your siding is likely to be loose and.

If you use sashco s acrylic latex caulking sealant you can have any interior or exterior as good as new. But here the main problem is people usually don t find the right type of caulk for their works. In the old days the builder would install the trim bring the siding up to it and caulk the corner. 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.