Fir

Solid Support

A drywall support said to eliminate ceiling to wall cracks due to truss float and reduce wall to wall cracks due to lumber shrinkage is new from United Steel Products Co. Korner-Bac, a sheet metal angle, can be installed wherever wood backings are normally used to support the edge of materials like paneling, drywall and masonite.

It may be applied with a screw gun, pneumatic nailer or stapler, or hammer.

Once secured to a construction member, it forms a complete end-toend support.

On The Level

A self-leveling, self-smoothing polymer concrete floor underlayment from Edison Chemical SYstems requires no special tools, skills or troweling.

Levelex 52 is mixed with water, poured, spread and allowed to harden. Polymer modilication provides superior adhesion, strength and resistance to dusting. Most surfaces can be topped without special primers or additives.

It may be applied over concrete, wood, steel or foam, and may be top- ped with tile, carpeting, Parquet, resilient flooring or a variety of coatings. Low traflic areas maY be left uncoated.

A single application levels and smooths substrates suffering from rain and freezing damage, unevenness, roughness, sag, scaling or camber problems.