
There are two types of Luan:
Luan Type 1 with an exterior glue, is the more resistant to delamination, and should be installed under very durable flooring
Luan Type 2 with a water-resistant glue.
The type is normally indicated on the panal edge. Usually on the 4 foot edge, on the 4x8 sheet. There are three possible standards of Luan, which are
BB - the highest grade and should be used whenever possible.
CC
OVL (Overlay)
Luan Type 1 with an exterior glue, is the more resistant to delamination, and should be installed under very durable flooring
Luan Type 2 with a water-resistant glue.
The type is normally indicated on the panal edge. Usually on the 4 foot edge, on the 4x8 sheet. There are three possible standards of Luan, which are
BB - the highest grade and should be used whenever possible.
CC
OVL (Overlay)
APA’s installation guidelines for 1/4-inch plywood should be followed when installing lauan plywood, but installers BEWARE: Lauan is made under a wall-panel specification of the International Hardwood Products Association (IHPA). No manufacturing specifications support its use or gauge its performance as an underlayment.
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