Dry-set edging systems have increased in popularity compared to traditional mortar bed edging in recent years, but how are they different from each other and what are the advantages of a dry-set system that does so? so popular? The clue, actually, is in the name, as ‘dry-fix’ products require no wet cement mix or mortar to set the trim to the edge of the roof. Instead, the rim components are slotted and nailed or screwed to the rim, using an innovative design to ensure roof waterproofing and eliminate the need for wet mix.

While the use of mortar is an effective method of setting the edge, ensuring that the roof edge is protected from water and unwanted pests; Allow time for the mortar to set. With the use of a dry-set edge, this setting time is redundant, eliminating the risk of the mix staining the shingles if it rains before the mortar is fully set. In addition to this, a key disadvantage of mortar is that it does not yield to a building’s movements and weakens over time from age and temperature fluctuations, leading to a large amount of maintenance over time. By addressing these key issues of longevity and ease of installation, dry-fix products have many other advantages over mortar-bedded patios that contribute to their popularity.

Compatible with most interlocking concrete or slate shingles, a dry repair trim can be installed at the same time as the shingles or later as part of edging maintenance to replace a cracked or crumbling mortar edging. Each trim component is inserted into the front piece, beginning with the initial insert which is secured to the face and end of the faceplate with stainless steel or aluminum screws. Each drive is installed by sliding it up into the previous element, making sure the ears fit snugly into the internal locating slots at the correct height. This results in an instantly waterproof trim that installs in a fraction of the time it would take to install and dry a mortar-bed roof trim.

Impenetrable to water, birds and large insects, a dry fixed edge is guaranteed to perform for years in even the most demanding conditions. Where a mortar edging is likely to crumble or allow water to enter the ceiling space, a dry edging made of high-performance plastic will hold its own and eliminate the need for costly maintenance. One of these dry-attach systems is Marley Universal Dry Verge, which includes fantastic high-performance dry-attach materials that are designed to complement most shingle and slate roofs to ensure the integrity of the roof profile and maintain a esthetic. Every component in the Marley system is manufactured to strict quality control specifications from high-quality plastic that is designed to withstand exposure to high levels of UV, ensuring a remarkable longevity of service.