From [here](https://www.profinishfire.com.au/the-rise-of-cross-laminated-timber/):

> __As we know, the measure of fire resistance (FR) is the time elapsed from the start of the fire until the point where the material fails to function__.  CLT’s fire resistance comes in the form of ‘charring’. When the timber is exposed to a fire that burns to a temperature in excess of 400 degrees C, the surface of the timber ignites and burns at a consistent rate. As it burns, it forms a black layer of ‘char’. This char is an insulating layer that prevents an excessive rise in temperature inside the core or ‘unburnt’ part of the panel. This core maintains its structure and continues to function for the period of fire resistance.

> While the debate continues around the efficacy of the testing, __CLT panels can be produced with an FR of 30, 60 and 90 minutes__, so it is a certified fire-safe material. However, it isn’t as simple as just rating the CLT. If you have a project coming up that features CLT, you really need to consider where and how services will be penetrating, and if there are any FR requirements for the structural steel supporting the panels. These elements need to be protected collectively for the FR to be achieved.

Emphasis mine. Just to clarify what is meant by fire resistant.

south_korea_ln

you mean even if it's fire-resistant?

> Microsoft is testing fire-resistant cross-laminated timber (CLT)

ch0k1

IDIOTS!!!!! 
I know they understand the heat generation problem in server centers!
If things get hot enough, any wood will burn nicely.
Maybe they are fans of roasting marshmallows around fires. ‘Cause that is what they will be getting!

Rothbardian_fanatic

Hmmm I wonder if there are any good ~Stacker_Stocks out there for folks to invest in the timber trend.

k00b

Would love to know why given the success of the submerged data center experiment at Microsoft why they haven’t further built upon that

Cje95

all this bullshit about emissions and sustainability...disgusting.

Butterfinger

Maybe it will be successful and not burn down by heat.

aS7017ur5

Steel and concrete, the traditional materials used in data center construction, are major carbon emittersm but in a move toward sustainability, Microsoft is testing fire-resistant cross-laminated timber (CLT) in its first wood-based data centers near a northern Virginia suburb.

Using CLT, alongside concrete and steel, in the hybrid design is projected to reduce embodied carbon emissions by 35% compared to traditional steel construction and 65% compared to standard concrete.

Timber making more progress now in the data center market.

Construction_and_Engineering

![](https://m.stacker.news/63821)

> Steel and concrete, the traditional materials used in data center construction, are major carbon emittersm but in a move toward sustainability, Microsoft is testing fire-resistant cross-laminated timber (CLT) in its first wood-based data centers near a northern Virginia suburb.

>Using CLT, alongside concrete and steel, in the hybrid design is projected to reduce embodied carbon emissions by 35% compared to traditional steel construction and 65% compared to standard concrete.

Timber making more progress now in the data center market. 