When it comes to thermal efficiency not all composite doors are equal.
Foam or wood filled composite doors.
Composite doors are now the most popular door on the market to customers across the country.
This video show the police planning and executing a forced entry past a grp composite door.
If you re talking about filling the wood trim with closed cell foam and then covering it with aluminum i see no problem with that as long as the trim and foam are pained very well 2 3 coats before they cover it that would be necessary whether you fill with foam or not.
But my doorstop hinges cannot cope with the weight of my door because it is a disability width it could be the swing and loading exceeds the hinge ability.
The outer layer of a grp composite door is made of two grp skins bonded to a solid frame which is then filled with insulation which is usually a high density foam.
Check that your composite door has a foam filled core and better still a upvc edge band.
Foam is an excellent insulator and a upvc edge band will increase performance even further.
They are made of 25 wood filled pp impact copolymer that is foamed to 25 30 density reduction.
I have only had one quote at the moment and they quoted me 13 1400 for the door and side panel which i thought was expensive.
However not all composite doors are the same.
Precision composites phoenix ariz bought the foam composite board and millwork product line of royal wood home products.
I have also read that there are two types of composite door one foam filled and the other wood inside which is supposed to be the superior quality one.
In the near future polywood also plans to commercialize door frames door stops and other foamed composite millwork.
So ponder here on your door width i suspect your door from 2005 will also be a disability access door.
Allan apel september 7 2017.
Composite door foam vs wood core.
My home has a foam filled composite door because of my concerns over these issues.
Grp or glass reinforced plastic fiberglass composite doors have been around since the 1990 s and are typically filled with foam making them highly thermally efficient.
Not only do they struggle to open the door but the house gives way before the door does.