Tropical Metal Products Jamaica limited was founded by hard-working Jamaicans in 1968 and today, over 55 years later, retains its love for Jamaica. TMPJA is a leading distributor of roofing materials supplies in Jamaica and other construction services. Get Lumber, Milano Tiles, Decra Roofing Tiles, Membranes, and Roof Gutterings at Tropical Metal Products Jamaica Limited. Tropical Metal Products is your number-one resource for finding the best roofing companies in Jamaica. TMP has grown into one of Jamaica?s largest roofing supplies producers and distributors.