Flat Casing Nail Fin Door Installation

Nail Fin Flat Casing - Flush

Nail Fin Flat Casing Instructions

• Install Door per AAMA 2400-10 Installation standard.

• Read Instructions from beginning to end before assembling or installing Brickmould.

• Flat Casing is not compatible with other Milgard Window or Door offerings.

• Do not use Flat Casing on other manufacturers’ products.

• Door must be properly installed and flashed prior to Flat Casing installation.

• Milgard Nail Fin Flat Casing does not provide structural support or function as a water barrier.

For Milgard Essence® Windows and Doors

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Nail Fin Flat Casing Parts

Part Description Part #

1 (Transom Frame) Varies

2 Trim Clip – Door HA7821

3 Flat Casing – Leg EX7817

4 Flat Casing – Header/Sill EX7817

5 End Cap – Flat Casing – Left IM7973

6 End Cap – Flat Casing – Right IM7972

7 #8 – 5/8” Flat Head SS Screw FA0442

Flat Casing All Sides on separate Transom

Part Description Part #

1 (Transom Frame) Varies

2 Trim Clip – Door HA7821

3 Sill Nose EX7819

4 End Cap – Sill Nose – Left IM7975

5 End Cap – Sill Nose – Right IM7974

6 #8 – 5/8” Flat Head SS Screw FA0442

7 Secondary Sill Key IM7971

8 Flat Casing – Left Leg EX7817

9 Flat Casing – Header EX7817

10 Flat Casing – Right Leg EX7817

11 End Cap – Flat Casing – Left IM7973

12 End Cap – Flat Casing – Right IM7972

Flat Casing with Sill Nose on separate Transom

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Nail Fin Flat Casing PartsFlat Casing on Door or Door with Transom Combination

Part Description Part #

1 (Door Frame) Varies

2 Trim Clip - Door HA7821

3 Door H-Clip HA7823

4 Mull Cover EX7825

5 Flat Casing – Left Leg EX7817

6 Flat Casing – Header EX7817

7 Flat Casing – Right Leg EX7817

8 Header End Cap – Left IM7973

9 Header End Cap – Right IM7972

10 #8 – 5/8” Flat Head SS Screw FA0442

11 End Plug MI7515

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Notes For Proper Installation

If siding will not be applied around Flat Casing, use HA8300CPML.HA8300CPML provides a more permanent connection. Trim is difficultto remove if using HA8300CPML.

Flat Casing lip rests on the face of the frame.

Flat Casing lip does not rest inside the accessory groove.

HA8300CPML

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Nail Fin Flat Casing Corners

Top FlushFront / Back

Bottom FlushBack / Front

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Nail Fin Flat Casing Corners Transom

Bottom Flush (Separate Transom)Back / Front

Bottom Horn (Separate Transom)Back / Front

Top HornBack / Front

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Nail Fin Flat Casing Corners Transom Cont.

Bottom Sill Nose Flush (Separate Transom)Back / Front

Bottom Sill Nose Horn (Separate Transom)Back / Front

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Corner Key Cap Assembly

1 Determine Header, Sill, and Leg Trim Pieces.

Skip to Step 12 if Installing Factory Assembled Flat Casing.

2Caulk inside of Header and Sill on both ends. Caulk does not need to extend more than 1/2" beyond end of Trim.

Note: End Caps may already be installed. Header and Sill are longer than door/transom is wide. Legs are 3/8" shorter than door is tall.

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Corner Key Cap Assembly Cont.

3Insert Corner Key Cap into Flat Casing Header and Sill. Seat Cap fully against end of Trim. Repeat Step 3 until all Caps are installed.

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Sill Cap Assembly

4 Caulk inside of Sill Nose on Both Ends.

Skip to Step 9 for Flat Casing on all Sides.

5 Seat End Caps into Sill Nose.

Before / After

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Sill Nose Horn Modification

6 Remove Screw Boss from End Cap. Score both Sides and Snap.

Skip to Step 8 for Sill Nose without Horns.

CAUTION!: Only do this step for Sill Nose Horns.

7Insert first Secondary Sill Key against edge of End cap. Place second Secondary Sill Key 2” apart on center. Go to Step 9.

Repeat Step 6 for other end of Sill Nose.

2”

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Sill Nose Horn Modification Cont.

8 Place Secondary Sill Key two inches from first key.

2”

Note: Leg Trim will align Secondary Sill Keys in correct locations.

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Flat Casing Assembly

9 Lay out Flat Casing outside face down on a flat surface.

10 Fit joints together.

Note: It is possible to make a Flush or a Horn Joint with the same parts. Make sure the Flat Casing and Sill Nose have

the correct Joints before moving onto Step 11.14

Install Screws

11 Install #8 x 5/8” Flat Head Screws.

Note: Each Joint will have two screws.

Sill Nose: Tighten screws until flush with Flat Casing.

Sill Nose Horn: Make sure Secondary Sill Key is against End Cap. Tighten screw until flush with Flat Casing.

Note: Each Joint may have an extra hole on the back of the Flat Casing Legs. The open holes allow for different Joint types. There are no missing parts.

Head Horn: Tighten screw until flush with Flat Casing.

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Trim Clip Attachment12 Install “H” shaped clips flush with the

bottom of each Door Jamb.

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Trim Clip Attachment Cont.13 Install Trim Clips onto Door Frame Corners.

1.5”

Space Trim Clip 1.5” away

from Corner. Tap two Trim

Clips into each corner.

Note: If installing Flat Casing with Sill Nose, do not place Trim Clips on Transom Sill.

Note: Install additional trim clip midway between two corner clips. For doors larger than 6068, install additional clips a maximum of 4’ on center.

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End Plug Installation14

Squeeze foam End Plugs into open ends of Flat Casing and Push foam in until it is flush with end of Flat Casing.

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Trim Installation15 Apply 1/4" diameter 2" long beads of sealant to

back of Flat Casing. Space Beads 18" apart.

16 Place clear or color matched sealant into accessory groove along full length of Transom Frame Sill.

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Trim Installation

When installing Flat Casing with Sill Nose, slide Sill Nose Lip into Transom Frame Accessory Groove.

17 Push Flat Casing onto Door Frame.

Push Flat Casing (without Sill Hose) onto Door Frame until it seats fully.

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Trim Installation Continued

19End of Flat Casing does not easily snap onto "H" clip, so to avoid damaging Flat Casing , place a wood block directly over face end of Flat Casing and tap Flat Casing onto "H" clip.

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Clean Up

• Wipe up any excess caulk.• Clean up scuff marks with soap and water.• TiteBond® WeatherMaster Sealant

compatible colors.

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Essence Accessories SealantMilgard Color Milgard TiteBond P/N TiteBond ColorBark SE7673AR 44061 BronzeBlack Bean SE7673BL 44031 BlackCinnamon SE7673CI 45521 RedClassic Brown SE7673LW 44211 BrownClear SE7673CL 43991 ClearEvening Sky SE7673ES 45531 BlueFern SE7673FN 45651 GreenFog SE7673FO 46681 GrayFrost SE7673FS 44001 WhiteHarmony SE7673HR 44641 ClayNatural Crème SE7673NT 45511 Poplar WhitePea Pod SE7673PP 49211 GreenPebble SE7673PE 46811 GrayRattan SE7673RA 46081 BeigeTweed SE7673TE 44691 ClayTwilight SE7673BL 44031 Black

LA7917MM

REVISIONS

REV ECN DESCRIPTION DATE DRAWN APPD.

A1 2969ECNEG Release 05/31/2013 CN VM

B 3973ECNTA Added Page 5 06/08/2016 BBB VM

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