Chimneys are noticed from the street by anyone. It is subjected to continuously changing climates throughout the year. The blazing hot sun, rising stickiness, driving precipitation, a profound freeze from the outside components negatively affect the brickwork. Keep in mind that bricks are normally strong structure material, but they do take on a lot of wear and tear. The best preventable measure for damage of dampness and water to block with a sealant around the chimney cap.
What is the best sealant for your chimney cap? Sealants are designed to impede liquids from entering the material it is on. There are two different types used – silicone or polyurethane. Not all sealants are made equivalent. Below are some differences to think about when using a sealant on a chimney cap.
Types of Sealants
Silicone
- Cures rapidly
- Cures to a delicate completion
- Not very useful for high traffic territories
- Does not hold up to abrasions well
- Works best on materials like metal, glass, and tile
- Utilized in any temperature, functions great in the chilly temperatures
- The life expectancy of 20+ years
Polyurethane
- Over 24 hours to completely dry
- Cures to a hard completion
- Does work well in high rush hour gridlock areas
- Holds up well to abrasions
- Works best on wood only
- Highly difficult to apply in cooler temperatures and does not a strong bond when cold
- Long term life expectancy
