Direct Doors Blog

Timber spread of flame classification?

Timber spread of flame classification?

Are there any timbers have an inherent spread of flame classification? Is it possible to treat timbers for class 1/class 0? Spread of flame and fire resistance have to be...

Intumescent Fire Seals, can they be painted?

Intumescent Fire Seals, can they be painted?

Can intumescent strips be painted over? Intumescent seal manufacturers do not recommend the painting over of intumescent strips (seals) but there is not enough evidence to show that the painting...

20 minute fire door sets, why bother?

20 minute fire door sets, why bother?

Do I need Intumescent seals on a 20 minute fire rated door set? A 20 minute fire doorset had previously comprised a 25mm doorstop, no requirement for intumescent seals and...

How can I upgrade existing doorsets to fire rated?

How can I upgrade existing doorsets to fire rated?

How can I upgrade existing doorsets to fire rated? Various options are possible when trying to upgrade existing doorsets and improve their fire resistance, every improvement or upgrade is relevant...