CF-AS CJP All-Season Fireblock Foam
Helps reduce the spread of flames and smoke in residential type V-B and commercial non-rated construction.
CF-AS CJP is Hilti's polyurethane fireblock foam for insulating and fireblocking non-fire-rated wood-frame walls. It carries the Type V-B residential fireblock listing under ICC ES ESR 2179 and applies between 0 and 35 °C. Call the counter to confirm today's size, colour and price.
Hilti's CF-AS CJP is a fireblock foam for insulating and fireblocking non-fire-rated wood frame walls. It carries a Type V-B residential fireblock listing under ICC ES ESR 2179 and a UL 723 flame spread index of 0 with a smoke development index of 0.
It goes on between 0 and 35 °C, is tack free in about 12 minutes, is cuttable in about 25, and holds from -40 to 90 °C once cured. Cranco carries Hilti at Concord, Barrie and Mississauga. Call the branch to confirm the colour and size in stock, and the price.

FEATURES AND BENEFITS
- All-season fireblock foam.
- Extended temperature range – for use in all seasons.
- Type V-B residential fireblock (ICC ES ESR 2179).
- Does not contribute to the spread of flames or smoke as per UL 723 with an index of 0 on both.
- Helps to form an air- and water-resistant seal .
- Restricting air, sound, dirt and water infiltration.
- Insulating and fireblocking in non-fire-rated wood frame walls.
What is Hilti CF-AS CJP used for?
Insulating and fireblocking in non-fire-rated wood frame walls, and restricting air, sound, dirt and water infiltration at the same time. Hilti aims it at residential type V-B and commercial non-rated construction.
Is Hilti CF-AS CJP a fireblock foam?
Yes. Hilti lists a Type V-B residential fireblock under ICC ES ESR 2179, and UL 723 compliance with a flame spread index of 0 and a smoke development index of 0. A fireblock is not a firestop: it slows fire and smoke moving through concealed spaces in a wall that is not itself fire rated.
How cold can you apply Hilti CF-AS CJP?
Between 0 and 35 °C, which is what the all-season name refers to. Cured, it holds from -40 to 90 °C, the widest cured range of the three Hilti foams Cranco carries.
How fast does Hilti CF-AS CJP cure?
Tack free in about 12 minutes at 74 °F and 50% relative humidity, and cuttable in about 25 minutes at 23 °C and the same humidity.
How much does one can of Hilti CF-AS CJP fill?
Up to 1.6 cubic feet, the middle of the three Hilti foams Cranco carries. Call the branch to confirm the can size available today.
What colour is Hilti CF-AS CJP?
Hilti makes it orange.
Where can you buy Hilti CF-AS CJP?
At Cranco's counters in Concord, Barrie and Mississauga. The addresses, phone numbers and hours are further down this page.
Branches
Call the branch to confirm what it has in stock today, and the price.
Data sheet
- Hilti CF-AS CJP data sheet Hilti, PDF