Caulking Between Wood Siding

Siding nails should not be caulked another item that needs room to play is siding boards themselves.

Caulking between wood siding.

The nails holding up the siding should not be caulked. Also avoid caulking tongue and groove siding boards together. A cartridge and caulk gun give a more continuous bead than a squeeze tube which is better for small projects. A cartridge or a squeeze tube.

Moreover they are usable on wood trim concrete hardiplank rooftop stucco siding and many other outdoor caulking surfaces. Caulk comes in two forms. The caulk was still perfect in the few areas i had caulked along the siding. These include polymer silicone polymer paintable.

The thing is over time the chemical treatment in the pressure treated wood dries out and the wood contracts and literally gets a tiny bit smaller since it s not now swollen with moisture. As homeowners with this kind of siding know wood naturally expands and contracts with fluctuations in temperature and precipitation. Caulk is a substance designed to seal a joint between two surfaces and to fill small holes. Use top quality caulk outdoors where it needs to withstand extreme temperature changes and remain flexible for 30 to 50 years.

Use around sinks tubs and showers. Cartridges typically have 9 to 11 ounces of caulk versus a squeeze tube which has 3 to 6 ounces. Use when installing bath fixtures to seal gaps between shower tiles between sinks and counters and around the base of the toilet. Paintable silicone caulk can be used around the outside of window units to properly seal the window and the siding edge or around the entire door unit.

The remaining conditions are gaps between stucco and metal pipes or roofing materials. Siding windows and door caulk there are a variety of caulk compounds that will create air and watertight seals around windows and doors. Metal flashing or any metal to wood joint should not be caulked another water exit pathway that should never be sealed. If overused or incorrectly placed siding caulk can cause more damage to your exterior than good.

We have a home from the 1930 s with many gaps in exterior portland type stucco between wood and cracks within the stucco. It is generally not a good idea to use caulking on wood siding.