Creativerse tooltips roofs and slopes 2017-04-28 15-06-49-514
Creativerse 2017-05-17 01-37-57-44 crafting recipes R41,5 roofs18
Creativerse unlocks R41,5 2017-05-17 14-44-19-273 decor blocks, roofs, stairs
Creativerse Roofs R23 3355
Creativerse Roofs R23 3356
Creativerse blocks that don't burn008
Creativerse R41,5 processing corners for roofs 501
Creativerse R41,5 Roofs with inner and outer corners 44

The Thatched Roof is a slanted building-block looking like it's made of Reet that you can use as a roof-tile or for other purposes (it can be rotated).

It can be crafted in your Crafting Menu (default key "Q"), but only after the crafting-recipe has been unlocked by

Crafting/taking a Thatched Roof is one of the unlocking requirements for the crafting recipe of Wood Roofs.

To craft 8 (blocks of) Thatched Roofs, you'll need (as of R43 in May 2017):

Even though Thatched Walls are flammable under certain conditions (not in cold environments though), the Thatched Roof currently is fireproof. Even when throwing Fire Bombs at Thatched Roofs, they still will not go up in flames.

Since May 2017, inner and outer corner roof blocks can be created from Thatched Roof blocks by putting them into a Processor. No crafting recipe has to be unlocked for this.