However , at present metal framed systems are quickly replacing the older construction materials ( Coleman & Shutherland 2007 ) .
Dasher board frame can be built from wood , fiberglass , steel , aluminum or a combination of these materials ( Milton et al. 2002 ) .
At present metal framed systems are quickly replacing the older construction materials ( Coleman & Shutherland 2007 ) .
Dasher board frame can be built from wood , fiberglass , steel , aluminum or a combination of these materials ( Milton et al. 2002 ) .