Spec-Thermal Hi-R and Hi-R-H are pre-insulated partially or fully grouted masonry wall systems for superior thermal performance. These units are an affordable option for complying with stringent energy code requirements and are finished on both sides.
Custom colors and mix designs are available, or choose from Prestige Masonry or Spec-Brik colors.
Product Family
Spec-Thermal Pre-Insulated Masonry Walls provide Energy Code compliance with double exposed masonry surfaces.
The load bearing structural elements of the wall and the insulation are built into the masonry.
Product Selection Considerations
| Product | Available Sizes | Energy Efficiency | Typical Fire Rating* | Finishes |
|---|---|---|---|---|
| Hi-R Half-High |
4″x16″ face (nominal) 2 cross webs 2.5″ insulation insert 12″ width only Suitable for fully or partially grouted walls. |
Allows single wythe construction in most climate zones. | Fully Grouted: 4-Hour Fire Rating.
Partially Grouted: |
Textures: Smooth finish only. Many color options including Spec-Brik blended colors. |
| Hi-R | 8″x16″ face (nominal) 2 cross webs 2.5″ insulation insert 8**, 10, or 12″ widths Suitable for fully or partially grouted walls. |
Allows single wythe construction in most climate zones. | Fully Grouted: 12-4-16 4-Hour Fire Rating.
Partially Grouted: |
Textures: Ground, Split, Smooth, Weathered. Many color options including Spec-Brik blended colors. |
| Hi-R-H Half High |
4″x16″ face (nominal) 1 cross web 4″ insulation insert 12″ width only Suitable for fully grouted walls. |
Best performing option. | Fully Grouted: 4-Hour Fire Rating. | Textures: Smooth finish only. Many color options including Spec-Brik blended colors. |
| Hi-R-H | 8″x16″ face (nominal) 1 cross web 3.5″ or 4″ insulation insert 12″ unit width Suitable for fully grouted walls. |
Best performing option. | Fully Grouted: 12-8-16 4-Hour Fire Rating. | Textures: Ground, Split, Smooth, Weathered. Many color options including Spec-Brik blended colors. |
* Will vary based on unit density and other factors. For unit specific fire rating information, check with your manufacturer.
** 8″ units may not be suitable for many applications due to limited grout area.
R-Values and U-Factors for Hi-R and Hi-R-H Masonry Units (stretcher units only)
| Product (grouted cells) | Density (pounds per cubic foot) | ||||
|---|---|---|---|---|---|
| 95 | 105 | 115 | 125 | 135 | |
| Hi-R Two Webs, 2.5 inch insert 8-8-16* |
R-10.00 U-0.10 |
R-9.07 U-0.110 |
R-8.18 U-0.122 |
R-7.36 U-0.136 |
R-6.59 U-0.152 |
| Hi-R Two Webs, 2.5 inch insert 10-8-16 |
R-11.82 U-0.085 |
R-10.82 U-0.092 |
R-9.85 U-0.10 |
R-8.94 U-0.11 |
R-8.08 U-0.124 |
| Hi-R and Hi-R Half High Two Webs, 2.5 inch insert 12-8-16/12-4-16 |
R-12.58 U-0.079 |
R-11.56 U-0.086 |
R-10.57 U-0.095 |
R-9.62 U-0.104 |
R-8.72 U-0.115 |
| Hi-R-H One Web, 3.5 inch insert 12-8-16 |
R-16.32 U-0.061 |
R-14.98 U-0.067 |
R-13.74 U-0.073 |
R-12.50 U-0.080 |
R-11.25 U-0.089 |
| Hi-R-H One Web, 4 inch insert 12-8-16 |
R-17.56 U-0.057 |
R-16.12 U-0.062 |
R-14.78 U-0.068 |
R-13.45 U-0.074 |
R-12.11 U-0.083 |
| Hi-R-H Half High One Web, 4 inch insert 12-4-16 |
R-17.87 U-0.056 |
R-16.40 U-0.061 |
R-15.04 U-0.066 |
R-13.69 U-0.073 |
R-12.32 U-0.081 |
* 8-8-16 Hi-R may not be suitable for many application due to limited grout space.
Spec-Thermal Specifications
Spec-Thermal Hi-R BrochureHow Can We Help?
