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	<title>Preformed Drainage &#8211; Barrett Company</title>
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	<link>https://www.barrettroofs.com</link>
	<description>Barrett Company</description>
	<lastBuildDate>Wed, 22 Apr 2026 20:41:43 +0000</lastBuildDate>
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	<url>https://www.barrettroofs.com/wp-content/uploads/2020/03/cropped-Barrett-Logo-2022-Circle-Only-32x32.jpg</url>
	<title>Preformed Drainage &#8211; Barrett Company</title>
	<link>https://www.barrettroofs.com</link>
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	<item>
		<title>Terra-DRAIN™ P-25</title>
		<link>https://www.barrettroofs.com/product/terra-drain-p-25/</link>
		
		<dc:creator><![CDATA[jason.pribble@keenebuilding.com]]></dc:creator>
		<pubDate>Wed, 22 Apr 2026 20:16:31 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/?post_type=product&#038;p=6884</guid>

					<description><![CDATA[Terra-DRAIN™ P-25 (Panel) is a 1” (25 mm) thick, semi-rigid, waffled HDPE sheet designed to retain water within pockets on the top side for vegetation while channeling surplus water through its bottom-sided canal system for secure drainage. It has drill holes to drainage channels for diffusion and irrigation. Terra-DRAIN™ P-25 (Panel) allows for the incorporation&#8230;]]></description>
										<content:encoded><![CDATA[<h4><strong>Terra-DRAIN<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> P-25</strong> (Panel) is a 1” (25 mm) thick, semi-rigid, waffled HDPE sheet designed to retain water within pockets on the top side for vegetation while channeling surplus water through its bottom-sided canal system for secure drainage. It has drill holes to drainage channels for diffusion and irrigation.</h4>
<h4>Terra-DRAIN<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> P-25 (Panel) allows for the incorporation of a complete array of zone-appropriate, drought-tolerant plantings in a less than 6” depth assembly.</h4>
<h4></h4>
<h3><strong>BENEFITS</strong></h3>
<ul>
<li>
<h4>Retains water within pockets on the upper side, making water available to vegetation</h4>
</li>
<li>
<h4>Channels surplus water through its bottom-sided canal system for secure drainage</h4>
</li>
<li>
<h4>Utilizes drill holes to drainage channels for diffusion and irrigation</h4>
</li>
</ul>
<h3><strong>USES</strong></h3>
<ul>
<li>
<h4>Extensive green roofs</h4>
</li>
<li>
<h4>Protected membrane roofs</h4>
</li>
<li>
<h4>Inverted roof membrane applications (IRMA)</h4>
</li>
<li>
<h4>Under path surfaces with &gt;60 mm substructure</h4>
</li>
</ul>
<h4></h4>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Terra-DRAIN™ EN-18</title>
		<link>https://www.barrettroofs.com/product/terra-drain-en-18/</link>
		
		<dc:creator><![CDATA[jason.pribble@keenebuilding.com]]></dc:creator>
		<pubDate>Wed, 22 Apr 2026 19:12:27 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/product/terra-drain-en-18/</guid>

					<description><![CDATA[Terra-DRAIN™ EN-18 (Entangled Mesh) is a 0.75” (18 mm) thick prefabricated multi-functional drainage mat designed to either assist with root entanglement &#038; soil reinforcement or act as a moderate to high-flow drainage product in green roof or landscaping assemblies. The geometric “zig-zag” patterned polypropylene core is produced from an extruded matrix of tangled monofilaments, which&#8230;]]></description>
										<content:encoded><![CDATA[<h4><strong>Terra-DRAIN<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> EN-18</strong> (Entangled Mesh) is a 0.75” (18 mm) thick prefabricated multi-functional drainage mat designed to either assist with root entanglement & soil reinforcement or act<br />
as a moderate to high-flow drainage product in green roof or landscaping assemblies.</h4>
<h4>The geometric “zig-zag” patterned polypropylene core is produced from an extruded matrix of tangled monofilaments, which are heat-welded at the junctions to form a resilient structure. A non-woven polyester filter fabric is adhered to the surface of one side of the material to hold the soil or concrete away from the wall or deck and the core.</h4>
<h4>When used with the filament-side up, the product assists with root entanglement and soil reinforcement, allowing roots to grow into and become tangled with the 3-dimensional polymeric<br />
core. This feature facilitates the easy transportation of vegetation from one place to another. Alternatively, when installed with the fabric side up, the mat creates a 0.75” thick air-space, enabling<br />
incidental moisture to drain away and ventilate out effectively.</h4>
<h3><strong>USES</strong></h3>
<ul>
<li>
<h4>Drainage and aeration for green roof assemblies</h4>
</li>
<li>
<h4>Under slab drainage</h4>
</li>
<li>
<h4>Foundations</h4>
</li>
<li>
<h4>Commercial planters</h4>
</li>
<li>
<h4>Landscaping</h4>
</li>
</ul>
<p>&nbsp;</p>
<h3><strong>BENEFITS</strong></h3>
<ul>
<li>
<h4>Fire resistant – Class A fire-rated product</h4>
</li>
<li>
<h4>High water flow rate – in excess of 10 gal/min</h4>
</li>
<li>
<h4>Eliminates the need to use aggregate for drainage</h4>
</li>
<li>
<h4>Lightweight and easy to handle</h4>
</li>
<li>
<h4>Carbon black added for UV stability</h4>
</li>
</ul>
<p>&nbsp;</p>
<h4></h4>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>RamDrain DD-050 HS</title>
		<link>https://www.barrettroofs.com/product/ramdrain-dd-050-hs/</link>
		
		<dc:creator><![CDATA[Beau Kuhn]]></dc:creator>
		<pubDate>Mon, 18 Apr 2022 19:10:40 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/product/ramdrain-dd-050-copy/</guid>

					<description><![CDATA[RamDrain DD 050 HS is a two-part prefabricated geocomposite drain consisting of a formed polystyrene core that is covered on one side with woven monofilament filter fabric. This fabric allows water to pass into the drain core while restricting the movement of soil particles which might clog the core, allowing the water to flow to&#8230;]]></description>
										<content:encoded><![CDATA[<h4 class="p2">RamDrain DD 050 HS is a two-part prefabricated geocomposite drain consisting of a formed polystyrene core that is covered on one side with woven monofilament filter fabric. This fabric allows water to pass into the drain core while restricting the movement of soil particles which might clog the core, allowing the water to flow to designated drainage exits.<span class="Apple-converted-space"> </span></h4>
<p>&nbsp;</p>
<h4 class="p2">RamDrain DD 050 HS with ½” height can move more drainage water per foot width than a layer of stone which is 1’ wide and 180” high.</h4>
<h4 class="p2"><span class="Apple-converted-space"> </span></h4>
<h4 class="p3">RamDrain DD 050 HS is designed for horizontal applications.<span class="Apple-converted-space"> </span></h4>
<p>&nbsp;</p>
<h3><strong>USES:</strong></h3>
<ul>
<li>
<h4>Plaza decks</h4>
</li>
<li>
<h4>Green roofs</h4>
</li>
<li>
<h4>Foundations</h4>
</li>
<li>
<h4>Retaining walls</h4>
</li>
<li>
<h4>Commercial planters</h4>
</li>
</ul>
<p>&nbsp;</p>
<h3><strong>COVERAGE: </strong></h3>
<h4>200 sq. ft.</h4>
<p>&nbsp;</p>
<h3><strong>PACKAGING:</strong></h3>
<ul>
<li>
<h4>48&#8243;x50&#8242;</h4>
</li>
<li>
<h4>Roll Weight 45 lbs</h4>
</li>
<li>
<h4>10 rolls per pallet</h4>
</li>
</ul>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Terra-DRAIN™ EN-12</title>
		<link>https://www.barrettroofs.com/product/terra-drain-en-12/</link>
		
		<dc:creator><![CDATA[jpb@keenebuilding.com]]></dc:creator>
		<pubDate>Mon, 04 May 2020 15:17:11 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/?post_type=product&#038;p=285</guid>

					<description><![CDATA[Terra-DRAIN™ EN-12 (Entangled Mesh) is a 0.45” (12 mm) thick prefabricated drainage mat designed to eliminate hydrostatic pressure from green roofs, planters, plaza decks, retaining walls, balconies, and behind foundation walls while providing an impermeable membrane surface for the face of the structure. The geometric “zig-zag” patterned polypropylene core is produced from an extruded matrix&#8230;]]></description>
										<content:encoded><![CDATA[<h4><strong>Terra-DRAIN<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> EN-12</strong> (Entangled Mesh) is a 0.45” (12 mm) thick prefabricated drainage mat designed to eliminate hydrostatic pressure from green roofs, planters, plaza decks, retaining walls, balconies, and behind foundation walls while providing an impermeable membrane surface for the face of the structure.</h4>
<h4>The geometric “zig-zag” patterned polypropylene core is produced from an extruded matrix of tangled monofilaments, which are heat-welded at the junctions to form a resilient structure. A non-woven polyester filter fabric is adhered to the surface of one side of the material to hold the soil or concrete away from the wall or deck and the core, eliminating aggregate for drainage from a construction site in a single step.</h4>
<p>&nbsp;</p>
<h3><strong>USES:</strong></h3>
<ul>
<li>
<h4>Plaza decks</h4>
</li>
<li>
<h4>Green roofs</h4>
</li>
<li>
<h4>Under slab drainage</h4>
</li>
<li>
<h4>Foundations</h4>
</li>
<li>
<h4>Retaining Walls</h4>
</li>
<li>
<h4>Commercial planters</h4>
</li>
<li>
<h4>Balconies</h4>
</li>
</ul>
<p>&nbsp;</p>
<h3><strong>COVERAGE:</strong></h3>
<h4>400 sq. ft.</h4>
<p>&nbsp;</p>
<h3><strong>PACKAGING:</strong></h3>
<ul>
<li>
<h4>48&#8243; X 100&#8242;</h4>
</li>
<li>
<h4>8 rolls per pallet</h4>
</li>
<li>
<h4>56 lbs. per roll</h4>
</li>
</ul>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>RamDrain DD 050</title>
		<link>https://www.barrettroofs.com/product/ramdrain-dd-050/</link>
		
		<dc:creator><![CDATA[jpb@keenebuilding.com]]></dc:creator>
		<pubDate>Mon, 04 May 2020 15:07:33 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/?post_type=product&#038;p=279</guid>

					<description><![CDATA[RamDrain Dimple Drain (DD) 050 is a high-performance drainage sheet engineered to relieve hydrostatic pressure by creating a channel for liquid water. RamDrain DD 050 is a two-layer superior flow-rate system. The first layer is constructed of high strength, cuspate (dimpled) polymetric sheet designed to provide superior compressive strength. Adhered to the high strength, cuspated&#8230;]]></description>
										<content:encoded><![CDATA[<h4>RamDrain Dimple Drain (DD) 050 is a high-performance drainage sheet engineered to relieve hydrostatic pressure by creating a channel for liquid water.</h4>
<h4>RamDrain DD 050 is a two-layer superior flow-rate system. The first layer is constructed of high strength, cuspate (dimpled) polymetric sheet designed to provide superior compressive strength. Adhered to the high strength, cuspated polymer base is a nonwoven filter fabric. The filter fabric is designed to promote high water flow while not allowing dirt and silt to penetrate the drainage channel.</h4>
<p>&nbsp;</p>
<h3><strong>USES:</strong></h3>
<ul>
<li>
<h4>Plaza decks</h4>
</li>
<li>
<h4>Green roofs</h4>
</li>
<li>
<h4>Foundations</h4>
</li>
<li>
<h4>Retaining walls</h4>
</li>
<li>
<h4>Commercial planters</h4>
</li>
</ul>
<p>&nbsp;</p>
<h3><strong>COVERAGE: </strong></h3>
<h4>200 sq. ft.</h4>
<p>&nbsp;</p>
<h3><strong>PACKAGING:</strong></h3>
<ul>
<li>
<h4>48&#8243;x50&#8242;</h4>
</li>
<li>
<h4>Roll Weight 45 lbs</h4>
</li>
<li>
<h4>10 rolls per pallet</h4>
</li>
</ul>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>RamDrain DD 025 HS</title>
		<link>https://www.barrettroofs.com/product/ramdrain-dd-25-hs/</link>
		
		<dc:creator><![CDATA[jpb@keenebuilding.com]]></dc:creator>
		<pubDate>Mon, 04 May 2020 14:49:39 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/?post_type=product&#038;p=277</guid>

					<description><![CDATA[RamDrain DD 025 HS is a two-layer extremely high compression strength system. The first layer is constructed of high strength, cuspate (dimpled) polymeric sheet designed to provide superior compressive strength. Adhered to the high strength, cuspated polymer base is a nonwoven filter fabric. The non-woven spun-bonded filter fabric is designed to promote high water flow&#8230;]]></description>
										<content:encoded><![CDATA[<h4>RamDrain DD 025 HS is a two-layer extremely high compression strength system. The first layer is constructed of high strength, cuspate (dimpled) polymeric sheet designed to provide superior compressive strength. Adhered to the high strength, cuspated polymer base is a nonwoven filter fabric. The non-woven spun-bonded filter fabric is designed to promote high water flow while not allowing dirt and silt to penetrate the drainage channel.</h4>
<p>&nbsp;</p>
<h3>USES:</h3>
<ul>
<li>
<h4>Plaza decks</h4>
</li>
<li>
<h4>Green roofs</h4>
</li>
<li>
<h4>Under-slab drainage</h4>
</li>
<li>
<h4>Foundations</h4>
</li>
<li>
<h4>Commercial planters</h4>
</li>
</ul>
<p>&nbsp;</p>
<h3>COVERAGE:</h3>
<h4>200 sq. ft.</h4>
<p>&nbsp;</p>
<h3><strong>PACKAGING:</strong></h3>
<ul>
<li>
<h4>48&#8243;x50&#8242;</h4>
</li>
<li>
<h4>Roll Weight 44 lbs.</h4>
</li>
<li>
<h4>10 rolls per pallet</h4>
</li>
</ul>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>RamDrain DD 025</title>
		<link>https://www.barrettroofs.com/product/ramdrain-025/</link>
		
		<dc:creator><![CDATA[matt@cosomedia.com]]></dc:creator>
		<pubDate>Mon, 04 May 2020 14:06:06 +0000</pubDate>
				<guid isPermaLink="false">https://www.barrettroofs.com/product/ramtough-250-copy/</guid>

					<description><![CDATA[RamDrain DD 025 is a two-layer system. The first layer is constructed of high strength, cuspate (dimpled) polymeric sheet designed to provide superior compressive strength. Adhered to the high strength, a cuspated polymer base is a nonwoven filter fabric. The filter fabric is designed to promote high water flow while not allowing dirt and silt&#8230;]]></description>
										<content:encoded><![CDATA[<h4>RamDrain DD 025 is a two-layer system. The first layer is constructed of high strength, cuspate (dimpled) polymeric sheet designed to provide superior compressive strength. Adhered to the high strength, a cuspated polymer base is a nonwoven filter fabric. The filter fabric is designed to promote high water flow while not allowing dirt and silt to penetrate the drainage channel.</h4>
<p>&nbsp;</p>
<h3><strong>USES:</strong></h3>
<h4>RamDrain DD 025 is designed to be installed with RamShield 60 mil or for general drainage purposes in backfill and retaining wall applications.</h4>
<p>&nbsp;</p>
<h3><strong>COVERAGE: </strong></h3>
<h4>200 sq. ft.</h4>
<p>&nbsp;</p>
<h3><strong>PACKAGING:</strong></h3>
<ul>
<li>
<h4>48&#8243;x50&#8242;</h4>
</li>
<li>
<h4>Roll Weight 40 lbs.</h4>
</li>
<li>
<h4>10 rolls per pallet</h4>
</li>
</ul>
<p>&nbsp;</p>
]]></content:encoded>
					
		
		
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