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Rinker Roof Tile Cement

M Masonry Cement
Miami, Florida

Product Description

Rinker Roof Tile Cement is a Masonry Cement produced to meet the criteria of ASTM C91 “Standard Specification for Masonry Cements” for Type M cement (Table 1).

Rinker Roof Tile Cement consists of a mixture of portland cement, limestone, and chemical admixtures to provide plasticizing properties and other enhanced performance attributes. These components are proportioned at the cement plant under controlled conditions to assure product consistency.

Basic Use: Rinker Roof Tile Cement, with excellent bonding ability, and has been proved to be an exceptional roof tile cement used for concrete and clay roof tile installations.

Rinker Roof Tile Cement is used to produce a Type M mortar as defined in ASTM C270 “Standard Specification for Mortar for Unit Masonry.”

Rinker Roof Tile Cement when mixed with the recommended volumes of sand (ASTM C144) will produce a mortar that will comply with the requirements of ASTM C270 for both the Proportion Specification (Table 2) and the Property Specification (Table 3).

Availability: Rinker Roof Tile Cement is available in one cubic foot sacks containing a plastic moisture barrier and in bulk via pressurized bulk containers.

Installation More

Mixing: Machine mixing should be used whenever possible. First, add most of the water and half of the sand. Next, add the masonry cement and the rest of the sand. After one minute of continuous mixing, slowly add the rest of the water. Mixing should continue for at least three minutes; extending mixing up to five minutes improves mortar qualities.

No admixtures should be used without the written approval of the architect or engineer of record. No additives are necessary, unless specified.

Water: All water should be clean and free from organic material and deleterious amounts of dissolved acids, alkalis and salts.

Retempering: To minimize retempering, mortar should not be mixed more than 15 minutes prior to use. Retempering will not adversely affect mortar quality if only evaporated water is replaced. Colored mortar should not be retempered.

Specifications More

Table 1. ASTM C91 Masonry Cement

Physical Requirements of Masonry Cements
Masonry Cement Type Compressive StrengthMin., psi (MPa) Water Retention Min. % Air Content Max. %
N 900 (6.2) 70 21
S 2100 (14.5) 70 19
M 2900 (20.0) 70 19

Table 2. Proportion Specification (Parts by Volume)

Mortar Type Masonry Cement Type N Masonry Cement Type S Masonry Cement Type M Masonry Sand
N 1 - - 2 ¼ - 3
S - 1 - 2 ¼ - 3
M - - 1 2 ¼ - 3

Table 3. Property Specification

Area Covered per Bag (Square Feet)*
Mortar Type Compressive Strength Min., psi (MPa) Water Retention Minimum % Air Maximum %
N 750 (5.2) 75 20
S 1800 (12.4) 75 18
M 2500 (17.2) 75 18

*Estimation based on a sand volume of 1 cubic foot of damp loose sand. No allowance made for waste.


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