Klere-Treat WB is a premium grade masonry water repellent used to seal brick and masonry without altering the surface appearance. It is designed to penetrate into the brick and work entirely below the surface. It doesn’t change the look or color of the brick and provides exceptional protection against efflorescence, staining, salt and freeze thaw spalling for porous building materials including brick, concrete, natural stone, and grout. Surfaces remain breathable to allow trapped moisture to escape.
Properties/Benefits of Klere-Treat WB
- Effective protection against water
- Reduced primary and secondary efflorescence of building materials
- Protection against de-icing salts
- Reduced corrosion of steel reinforced concrete
- A non-tacky finish with stain release effect
- Alkali resistance
- Reduction in heat conductivity and thus, improved thermal insulation
- No reduction of water vapor permeability
- In most cases no change in surface appearance
- Solvent-free and low VOC
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How do you choose a masonry water repellent when there are many different types available. Siloxanes, Silanes, Silane Siloxane blends, Silicones, Acrylics, etc.
Siloxanes are available in a water based solution and what is important is the solids content of an individual formula. Siloxanes generally work best when the percentage of solids is 10% and up to 40%. Once the water evaporates, you want the active solids to react within the masonry to form a water repellent polymer.
Siloxanes/Silane blends are available in water based solution. The active solids should also be a minimum of 10% and up to 40%. This blend works best when you have both a dense surface and very porous surface in the same area to be sealed.
Silanes have a small molecule are are available in 20% solids and 40% solids in a VOC compliant solvent. Great for cold weather application and work best on dense masonry surfaces. Solvent based sealers also tend to evaporate at a faster than water based and are ideal for tight areas where over spray is a concern.
Silanes 100% solids contain high solids and have little or no solvents. They are VOC compliant and work best on very porous surfaces
Acrylics come in both water based and voc compliant solvent based formulas. Typically the solids content on acrylic sealers varies greatly depending on the end result desired. 10% and up to 30% are common. Some formulas leave a sheen, some are flat, and some formulas darken the surface. Acrylics allow the surface to breathe but are not as breathable as Siloxanes or Silanes. Best when used on very porous concrete block, split faced block , and split ribbed block.
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Enviro-Shield 40% is an alcohol based, VOC compliant, high performance, clear, penetrating water repellent sealer.
It is designed to provide long term protection for brick, blocks, Jersey barriers, vertical or horizontal concrete and natural stones and other porous surfaces.
Enviro-Shield 40% repels water on masonry surfaces for up to 10 years and can be sprayed with a low pressure sprayer, allowing it to thoroughly soak the surface up 1/2″ deep. Over spray can be washed off with soap and water. Sprayers and tools can be washed with soap and water.
Enviro-Shield 40% is available in formulas of 20% solids and 40% solids. Enviro-shield is an excellent cold weather water repellent since it will not freeze.
Enviro-Shield 40% passes the NHCRP244 series test,full data on record.
Klere-Treat WB is a masonry water repellent based on a silane and siloxane. Under the influence of atmospheric humidity, it chemically reacts with and bonds to masonry, forming a highly effective poly-siloxane repellent. It is highly alkaline resistant and designed for use on brick, concrete block, precast concrete, stucco, limestone, fieldstone and many other natural stones.
Kleare-Treat WB provides superior protection against moisture penetration, thereby preventing the deleterious effects of efflorescence. The deep penetrating application retains it’s natural appearance with no surface build up or darkening effects. The masonry remains completely breathable.
Klere-Treat WB can also be applied to parking garages and flat concrete or masonry surfaces to reduce attack from deicing salts.
The advantages of Klere-Treat WB include:
- Deep Penetration into surfaces
- Does non contain wax, gum resins, silicas or silicones
- Unlike many water repellents Klere-Treat WB does not break down due to alkali in masonry.
- Resists water penetration for 10 years
- Highly resistant to acid rain
- Safe water based formula, water cleanup