Baltic birch plywood is the most versatile plywood available. Baltic birch plywood is unique because of its all-birch veneer core that’s cross-banded and laminated with exterior grade glue, making for a superior stable sheet. It also has a thicker face veneer than traditional cabinet grade plywood. It is famous for its easy machinability and screw holding strength, which is superior …

Principles to minimise potential problems with Class2 and Class 3 off form Surface FinishesPrinciple One: Most issues with off form surface finishes are associated with moisture.Wherever possible protect the formwork from weather. This includestarping where practical.Principle Two: The phenolic surface film used on formwork plywood is not impermeableto moisture. To ensure that moisture penetration is minimised, releaseagent and form oils …

Grain Raising or Surface SwellingGrain raising is caused by moisture penetrating the phenolic surface film and causingswelling of the surface veneer.The causes of grain raising are: Severe weather exposureFailure to use release agent or form oilDamage to the phenolic surface film i.e. misuse of vibrators, handling damageetc.Faulty phenolic surface filmAs mentioned previously, the purpose of the phenolic surface film is …