Residential Roofing & Commercial Roofing
ARCM Roofing Inc. has been an industry innovator in residentual commercial and industrial roofing offering innovation, effective solutions for all roofing types regardless of size. As residential roofing contractor in Denver Colorado, ARCM Roofing Inc. aims to provide quality, transparent service from design to completion using quality materials, expert craftsmanship, efficient communication and innovative, energy-efficient options. ARCM offers a variety of residential roofing options (flat and steep) including commercial metal roofing, commercial steep roofing, custom residential, commercial roof repairs and commercial re-roofing for office retail, hospital, churches and so much more. ARCM Roofing Inc. works a variety of materials including EPDM, TPO, PVC, ballasted, tile, shingle, slate, copper, and other metals. ARCM Roofing Inc. is trained to install custom shingles, metal, metal shingles, clay tiles, slate and thatch. From exotic materials to custom fabrication, ARCM Roofing Inc.assists custom residential clients with new construction, solving snow load problems, and updating exterior building appearances.
Residential & Commercial Roofing Repairs
ARCM Roofing Inc. handles all emergency repair needs 24/7 regardless of size, day, or time. ARCM Roofing repair expertise includes roof inspections, preventative roof maintenance, leak investigation and repair, small projects and tenant finish. As an Authorized Installer and Approved Applicator, we are able to install a wide range of roof systems.
When the life of your commercial roofing system has expired and is beyond traditional commercial roof repairs, commercial re-roofing services, such as recover and replacement, are terrific options to make your roofing system more efficient and minimize costly repairs down the road. The roofing experts at ARCM Roofing Inc. provide analysis, planning and budgeting for all commercial re-roofing services that always meet manufacturer specifications and building code requirements.
Central Roofing offers EPDM rubber roof repair, installation & maintenance services in Colorado
EPDM, or ethylene propylene diene terpolymer, is a synthetic rubber that is used in modern green roofing projects. EPDM is derived from a combination of oil and natural gas to produce a, durable, versatile and flexible roofing system that can be used in a wide range of temperatures. Because of its unique formulation and its simple set-up process, EPDM is the only roofing system that is recommended for use in water collection.
ARCM Roofing commercial steep roofing division can handle any pitch or degree of difficulty and install a variety of products including shingles, tiles, and slate. From budgeting and design all the way to installation, our experienced staff can meet all your steep roofing needs.
With a material lifetime of 50 years or more, the popularity of commercial metal roofing continues to grow. ARCM Roofing inc. offers wide variety of colors and finishes including galvanized, galvalume, pre-finished steel, pre-finished aluminum, copper, zinc, stainless steel, and rusting steel. With in-house design and fabrication, ARCM Roofing Inc. can provide a customized product and reduced lead times.
This addresses only some of the roofing requirements to comply with the City of Aurora Building Code and Design Criteria and manufacturer’s specifications. It does not cover all roofing
materials or all circumstances that occur with roofing installations. Refer to the City of Aurora current Building Code (2009 IBC and IRC), ICC ES Reports, Roofing Manufacturer’s Association Installation Manuals, and Manufacturer’s Installation Specifications for further information and requirements. Contact manufacturers or roofing supply yards for
current manuals and specifications.
Contact the City of Aurora Building Division for any other questions.
A Mid roof inspection is required for only clay and concrete tile and metal panel roofs after base felt, flashing, and the batten system have been installed but before the installation
of the tile or metal panels. Inspection request line is 303-739-7416
A Final Roof inspection is required for all roofing materials once the roofing has been completed. Roofing must be completed within six (6) months after the building
permit issue date. Inspection request line is
Corrections must be completed and called in for a re-inspection within thirty (30) days ofthe date listed on the correction notice. Call
303-739-7420 if there are mitigating circumstances.
Design Criteria for Roofing
(Weather conditions that effect the use of roofing materials and their installation.)
• 100 mph 3-second gust wind speed or 85 mph fastest mile wind speed
• Wind Driven Snow Area
• 34 pounds per square foot roof snow load
• 3.0 inches per hour for 100-Year, 1-Hour Rainfall (for roof drain sizing)
General Requirements for Roofing:
Both new construction roofs and new roofs over existing buildings are to be installed to the current design criteria of the City of Aurora.
All underlayments are required to be labeled with the appropriate ASTM numbers. Fastener heads shall be flush with the roofing
material’s surface, NOT over driven, under driven, or crooked.Maximum weather exposure shall not be exceeded. Check manufacturer’s specifications before installation.
The maximum number of layers of roofing is one. All roofing and possibly the decking must be removed where an existing roof covering or decking is water soaked or
deteriorated and will not provide a sound, level, and rigid surface for an additional layer of roofing.
All layers of roofing must be removed prior to the installation of a new roof.
-Ice & Water shield required.
-Drip edge is required.
Minimum of six (6) nails are required for all strip type shingles or per manufacturer’s specifications. (Some shingles require 8 or 9 nails for high wind areas. See
Corrosion resistant nails shall be located per manufacturer’s instructions and not placed in factory applied adhesive. Nails must alsopenetrate both parts of a laminated shingle.
Check manufacturer’s specifications and association manuals for correct placement of nails.
Mansard roof applications also require the butts of all asphalt shingles to be hand sealed down per manufacturer’s specifications.
Minimum slope is 4:12 for standard
installation. For slopes above 2:12 and less
than 4:12 an underlayment of two (2) plies of
Type 15 or 30 base felt lapped 19-inches is
In addition to the interlayment of 18 inch
Type 30 felt laced in between each course of
shakes an underlayment of a single ply Type
30 felt or equal is required.
Minimum slope is 4:12 for cedar shakes.
Minimum slope is 3:12 for wood shingles
check manufacturer’s installation
requirements for lower sloped roofs.
Corrosion resistant nails shall be placed to
manufacturer’s specifications and industry
standards, not too high or to low or too far
from the sides of the cedar shake or shingle.
Clay and Concrete Tile:
An underlayment of two (2) plies of base felt
minimum of Type 30 or better lapped 19-
inches is required. A single ply of 90 pound
granulated rolled roofing may be used as an
Vertical battens of a minimum 3/8-inch
thickness and made of cedar, or decay
resistant treated wood or other decay resistant
materials are required under the horizontal
battens. The spacing depends on the size of
the horizontal battens based on the total roof
loads for deflection. (See manufacturer’s
Staples may be used to fasten down the
horizontal battens if the vertical battens are
on 12-inch centers. Greater spacing of the
vertical battens requires 8d galvanized nails.
Every tile in every course is required to be
fastened. Approved fasteners shall penetrate
through the horizontal battens but not
penetrate the underlayment.
Hurricane clips are required for each tile at
To keep water on the surface of the field tile
all openings at hip, ridges, and headwalls
including chimneys, skylights, solar panels,
and down slope horizontal abutments shall be
fitted with an approved weather blocking
A double flashing is required at all jacks and
vents with one roofed into the underlayment
and the second over the surface of the tile.
Minimum slope is 3:12 for standard
installation of most concrete and clay tile.
For slopes 2 ½:12 to 3:12 an approved flat
roofing membrane is required. The tile and
battens are attached without fasteners
penetrating the flat roofing membrane.
However, the minimum slope is only 5:12 for
some clay tile. Always, check with the
manufacturer for low slope application
Flat Roofing Membranes:
New construction shall have a minimum ¼”
slope to ensure positive roof drainage
without standing water after 48 hours.
Re-roof installations to ensure positive roof
drainage shall have crickets and/or drains
added if ¼” slope is not obtainable.
Secondary or overflow drains/scuppers are
required on all roofs having parapet walls
and shall discharge above grade and be
independent of primary drains/scuppers.
Check Manufacturer’s installation
instructions. City of Aurora Building
Inspectors will request them.
City of Aurora