Airless Spray of CMU block

Over the weekend, we completed about 1600 sq/ft2

of basement cinder block with an airless rig (Graco 490 Max)

shooting a heavy acrylic block filler from ICI Paints.

(BloxFill 4000)

What amazes us time and again is not only production rates

while spraying, but also the quality of finish. Using a .033

tip the coating sheen left to cure is almost

flawless and really addresses the dampness of the

existing below grade block.

By painting and filling the masonry block units you achieve

two important qualities:

1. Strengthens the integrity of the block by filling voids.

2. Creates an effective and preventative moisture barrier.

Many people do not realize many block filler coatings

actually possess an R value and provide additional

insulation against cold and moisture in the walls.

At one time Para Paints spent heavily on a product called

Radiance which was designed to reduce energy and heating

costs and could be applied to walls and ceilings on a variety

of substrates.

This basement had unfortunately received flooding

during a bad rain stretch back in 2007 and the weeping

tile had been obstructed by a large tree root - all stick

framing and 2 x 4's had to be pulled out as well

as all drywall and furniture that was damaged.

Great thanks to JD Restorations for the weeping tile

repair as it has held perfectly for over 2 yrs now

and withstood the hellish rains of late October 2011 !