HomeMy WebLinkAboutMISC LETTERSCONSTRUCTION MATERIALS
TECHNOLOGIES
October 27, 2017
IKO Industries, Ltd
120 Hay Rd.
Wilmington, DE 19809
Re: FBC FL17800
SCANNED
BY
St. Lucie County
Sir(s),
PRI Construction Materials Technologies has completed a technical review and attached sealed shingle
Instructions in compliance the 2017 Florida Building Code.
This review was completed based on the receipt of following evidence from IKO Industries, Ltd:
1) IKO Dynasty AnnourzoneShingles Application Instructions
(EN-Dynasty_Armourtone Appins_BTTDYAZEFS-2015-01_reformatted 2015-02)
2) ASTM D3161 / FBC (HVHZ) TAS 107 Test Report (PRI Project No. IKO-125-02-01)
3) FBC (HVHZ) TAS 100 Test Report (PRI Project No. IKO-148-02-01)
The attached instructions should be used in conjunction with the published manufacturer's application
instructions and applicable code. In the event the Instructions conflict, these instructions shall govern.
Statement of Independence: PRI Construction Materials Technologies and/or Duc T. Nguyen, FL P.E. do not
have nor plan to acquire a financial interest in any company manufacturing or distributing products forwhich
the test reports are issued.
Signed: Signed: -&
Brad ersybo sk Due T. uyen
Managing D rector Florida ftglglere�Profeesional Engineer
P.E. Number. 65034
Date: October 27, 2017 Date: October 27, 2017
Attachments: A) IKO Dynasty Armourzone Shingles Application Instructions
IK61E6.02-01
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IKO
Installation Instructions for
Asphalt Shingles
Page 2 of 2
IKO Dynasty Armourzone Shingle Application Instructions
(ASTM D3161, Class F — IKO Dynasty Armourzone Laminated Shingle)
NOTE: THESE INSTRUCTIONS SHALL BE USED IN CONJUCTION WITH IKO'S PUBLISHED
APPLICATION INSTRUCTIONS AND THE APPLICABLE CODE. IN THE EVENT THE INSTRUCTION
CONFLICT, THESE INSTRUCTIONS WILL GOVERN.
ROOF DECK: Solidly sheathed and fastened deck conforming to 2017 FBC.
UNDERLAYMENT: Applied in accordance with building code requirements. For areas where the roof slope is
less than 4" per foot down to 2" per foot, use 2 layers of underlayment conforming to building code
requirements, the first sheet overlapping the Save protection by 19", followed by full 36" widths overlapping
each preceding course by 19" or other Approved underlayments in accordance with the qualified application
instructions. For areas where the roof slope is 4" per foot or greater, cover the deck with one ply of
underlayment laid parallel to the eaves, with 2" horizontal laps and 4" and laps. Apply metal drip edges on top
of any underlay along rake edges and directly to the deck along eaves in accordance with building code
requirements.
NAILING: Use galvanized (zinc coated) roofing nails, I I or 12 gauge, with at least 3/8" diameter heads, long
enough to penetrate through plywood or 314" into boards. Use 4 nails per shingle placed in the nailing area,
either between the lines or on the lines, spaced as shown below. Nailing area is 1-1/4" wide and located 6-
5/16' to 7-9/16" below the top edge. Drive nails straight so that nail head is flush with, but not cutting into
shingle surface.
Additional for FBC (HVHZ): Asphaltic shingles shall be installed in accordancewith RAS 115. Installation shall
be limited to a roof mean height of 33'. Use 6 approved roofing nails (e.g. approved 12 gauge by 1-1/4'
corrosion -resistant annular ring shank roofing nails) per shingle as shown below for steep slope nail
placement, except asphalt plastic cement is not required.
NAILING ON STEEP SLOPES: Forsteep slopes of 21" perfoot (60") or more, use 6 nails per shingle placed
as shown below. Ensure that no nail is within 2" of a jointicutout of the underlying shingle. Seal down each
shingle at time of application with three 1"diameter (approx. size and thickness of a quarter) spots of asphalt
plastic cement placed under the shingle 2" above the bottom edge and equally spaced along the shingle.
Apply plastic cement in moderation since excessive amounts may cause blistering. CAUTION: Shingles
should seal to the underlying course when the factory applied asphalt sealant is sufficiently warmed by the
heat of direct sunlight
EXPOSURE: Installed shingles shall have a maximum average exposure of 5-7/8'.
STEEP SLOPE NAIL
PLACEMENT
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