Restomix is a repointing mortar based on type S hydrated lime and portland cement. For interior and exterior use, this mortar is specially formulated for the restoration of damaged joints on historic brick or stone buildings. Its unique formulation produces a mortar that has the necessary workability and the essential qualities for repointing such as excellent adhesion, high water vapour transmission and self-healing properties.
| Characteristic | Results* | |
|---|---|---|
| Compressive strength ASTM C-109 | 7 days 28 days |
1.5 MPa (217 psi) 2.5 MPa (363 psi) |
| Vapour transmission, ASTM E-96 | 24 perms | |
| Water absorption, ASTM C-1403 | 24 hours | 13.2 % |
| Pull-off adhesion, CSA 23.2-6B | 28 days | 0.73 MPa (106 psi) |
| Shrinkage, ASTM C-596 | 91 days | 0.13 % |
| Freeze/thaw resistance, ASTM C-666M | resistant | |
| Air content, ASTM C-185 | 12 % | |
| Flexural strength, ASTM C-348 | 7 days 28 days |
1.4 MPa (203 psi) 1.5 MPa (218 psi) |
| Specific mass | 1860 kg/m 3 112 lb/ft 3 |
* Results obtained in laboratory at 23°C, 50% R.H.