Certificate 18/D/141/1269/7
Detailed datasheet

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 Date created 2025-05-16
 Holder SOPREMA SAS
15 rue de St Nazaire
CS 60121
67025 STRASBOURG CEDEX
France
 Certificate no. 18/D/141/1269/7
 Family In-situ formed loose-fill cellulose products
 Commercial brand(s) (products)
Products Purposes
UNIVERCELL + - Insulation on floors of lost lofts
- Insulation by blowing in the walls
 Plant(s) Cestas - France (33)
 Euroclass(es) Euroclasse E Soufflage, Insufflation

 Blowing application

 Certified thermal conductivity λD = 0.039 W/(m.K)
Puce Certified thermal resistance
RTH
m².K/W 		Minimum thicknesses
mm 		Thickness after settlement
mm 		Nb. Bags
Number of bags needed per 100m²
12.5 Kg 14.0 Kg
2.00 100 78 19.0 17.0
2.50 125 98 23.0 21.0
3.00 150 117 28.0 25.0
3.50 175 137 32.0 29.0
4.00 195 156 37.0 33.0
4.50 220 176 41.0 37.0
5.00 245 195 46.0 41.0
5.50 270 215 51.0 45.0
6.00 295 234 55.0 49.0
6.50 320 254 60.0 53.0
7.00 345 273 64.0 57.0
7.50 370 293 69.0 61.0
8.00 395 312 73.0 65.0
8.50 420 332 78.0 69.0
9.00 445 351 82.0 73.0
9.50 470 371 87.0 78.0
10.00 495 390 91.0 82.0
10.50 520 410 96.0 86.0
11.00 545 429 100.0 90.0
11.50 570 449 105.0 94.0
12.00 590 468 109.0 98.0
All resistances
 Other certified characteristics Classe de tassement  [SH25]

 Insufflating application

 Certified thermal conductivity λD = 0.042 W/(m.K)
Puce Certified thermal resistance
RTH
m².K/W 		Installed thickness
mm 		Nb. Bags
Number of bags needed per 100m²
12.5 Kg 14.0 Kg
1.15 50 20.0 18.0
1.40 60 24.0 22.0
1.90 80 32.0 29.0
2.25 95 38.0 34.0
2.35 100 40.0 36.0
2.85 120 48.0 43.0
3.30 140 56.0 50.0
3.45 145 58.0 52.0
3.80 160 64.0 58.0
4.25 180 72.0 65.0
4.75 200 80.0 72.0
5.20 220 88.0 79.0
5.70 240 96.0 86.0
6.15 260 104.0 93.0
6.65 280 112.0 100.0
7.10 300 120.0 108.0
8.30 350 140.0 125.0
9.50 400 160.0 143.0
10.70 450 180.0 161.0
All resistances

 Splashing application

 Certified thermal conductivity λD = 0.041 W/(m.K)
Puce Certified thermal resistance
RTH
m².K/W 		Installed thickness
mm 		Nb. Bags
Number of bags needed per 100m²
12.5 Kg 14.0 Kg
0.70 30 10.0 9.0
1.05 45 15.0 13.0
1.45 60 20.0 18.0
1.95 80 26.0 23.0
2.30 95 31.0 28.0
2.40 100 32.0 29.0
2.90 120 39.0 35.0
3.40 140 45.0 40.0
3.50 145 47.0 42.0
3.90 160 52.0 46.0
4.35 180 58.0 52.0
4.85 200 64.0 58.0
All resistances