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RP16 | Double Door Centre Seal | Astragal

RP16 | Double Door Centre Seal | Astragal

French Door Seal

Regular price $82.00
Regular price Sale price $82.00
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  • Industry Leading
  • Quality Assured
  • Australian Designed
  • Step-by-Step Videos
  • Ships within 2 business days


Double doors can be a highly desirable feature of a home but they allow cold drafts to slip through the gap between them. The RP16 door seal blocks these drafts by creating an airtight barrier between French or double timber doors. This weather seal consists of a silicon blade inside an aluminium carrier, plus screws to attach it. When installed properly, the RP16 seal prevents air leaks for a more energy-efficient home.


The RP16 door seal consists of an aluminium carrier containing a silicon blade, plus fixing screws. It is designed to create an airtight seal between plain or rebated French or double timber doors.


  • Astragal weather seal to stop draughts between the centre of double doors
  • Does not interfere with opening and closing of the doors
  • Can be fitted on the inside or outside of the doors, whichever is appropriate
  • Architectural quality
  • Durable product
  • Australian designed and owned


  • Reduces entry of draughts, dust, smoke, pollen and insects
  • Improves thermal comfort in your home
  • Helps increase energy efficiency
  • Contributes to lower bills for heating and cooling
  • No maintenance required


  • French Doors will also require the sides and tops to be sealed as well as the bottom of the doors. 
  • Before you order an RP16, check out ecoMaster's French Door Kits.  They are DIY friendly - the RP16 requires more advanced skills. 



RP16 External French doors, double timber doors


The RP16 is screw fixed to the centre seal of your french or double doors.



Sizes 2250mm
Gap size Covers gaps between doors from 0mm to 8mm

Silicon blade
Aluminum carrier
Fixing screw


The RP16 requires more advanced skills than beginner DIY

How To

What you will need:

  • Tape measure
  • Drop saw with metal-cutting blade
  • Sharp cutting knife
  • Pencil for marking
  • Electric drill
  • Flat file
  • Screwdriver
  • Spare material

Watch our How To Video:

Follow our video instructions to install your RP16.  If you do get stuck, our team will happily provide phone support to help you successfully install the RP16 door seal.


Pro Tips:

  • The difficulty in fitting the RP16 can be quite variable. In the easiest circumstance it is simply a matter of cutting to length and screw fitting to the edge of a door. We highly recommend using a pilot drill to prevent the screw fixings from splitting the edge of the door.
  • Things that make fitting an RP16 more difficult include:
    • Needing to check in hinges to ensure a minimum 4mm centre gap.
    • Needing to rebate the RP16 around a door latch.
    • Needing to rebate the RP16 round concealed edge bolts in the top and the bottom of the inactive door
  • Best installed on the outside but will need to be installed on the inside if your doors have mushroom stops
  • We recommend always drilling pilot holes to position the device and to prevent splitting along the door’s edge.
  • The seal should be cut slightly shorter than the full length of the door to prevent jamming at the top or base

There are a couple of limitations with installing RP16 that you need to watch out for:

    • You will need a minimum of 4mm centre gap. It’s OK if the gap opens up further but in order for the RP16 not to bind you will need a minimum of 4mm. Sometimes the best way of achieving this is to check in the hinges of one or both of the doors.
    • The RP16 can only make up a lateral gap of 7mm. If your active door is not plumb with the inactive door by more than this, then the silicone blade of the RP16 may not seal against part of the active door. It may be necessary to shift the hinges on the active door so that the face of the the two doors are in the same plane.


Q: What is it?
A: The RP16 is an architectural quality seal that seals the gap between double doors.

Q: How does it work?
A: The RP16 is specially designed for stopping air transfer between double doors. The aluminum carrier is fixed to the edge of one door and its silicon blade seals against the other door. This mechanism provides an excellent seal between your doors.

Q: How hard is the RP16 to install
A: The RP16 is more advanced than a standard DIY product.  There are detailed instructions and pro tips to walk you through the installation process.
If you are not confident to undertake this level of work then EMV as a centre seal is potentially a better way for you to go. 

Q: How do I know it has been installed properly?
A: When the active door is closed the blade of the RP16 should be sealed against the entire length of the opposite door.

Q: Will my door still function as a door?
A: This product should not prevent your door from its natural function, if you can no longer open or close your door or it’s difficult to operate after installation, then it may have been installed incorrectly.


Q: Can I collect my order?
A: Yes you can!  A “Ready for Pickup” email will be sent to you when you order is ready to be collected.  Please click this link for the Click and Collect details.  Note:  this Collection Centre is in Preston Victoria, NOT Prestons in NSW. 

Q: When will my order be despatched?
A: Generally, your order will be despatched within 2 to 3 business days.    

Q: Will my order be tracked?
A: Yes!  When your order is consigned, you will receive a tracking number that will show you where your order is and its expected delivery date.  Track your order here

Please note: Orders with two or more items may arrive in separate parcels with no additional shipping charge

Q: When will my order be delivered?
A: All over-sized orders are picked, packed and despatched within 3 business days.  It will be delivered by a specialist courier that specifically handles oversized items that cannot be delivered via Australia Post. Please note that this is a specialist courier NOT an express courier. Our experience with the specialist courier varies depending upon the delivery location.   Clearly delivery times will fluctuate at peak shipping times such as Christmas.

Q: Authority to leave?
A: The standard courier delivery option is "Authorised to Leave". That means that if there is no one home when the courier arrives, your order will be left at your address. If this is not appropriate, please advise when you place your order for alternative arrangements to be made.

Q: What happens if my order gets lost during transit?
A: Occasionally we have had orders go missing. ecoMaster has solid procedures in place and photograph every order that leaves our warehouse.  If a delivery date appears to be beyond expectation, we will raise a query on your behalf.  If your order cannot be found during transit, we will send a replacement.  

Q: What happens if my order is stolen after delivery?
A: If your order is stolen from your home after delivery, please raise a Police report. 

Q: How do I make my freight costs cheaper? 
A: We hear you!  Oversized items are expensive to transport.  Any item over 1.5m long carries an additional $10 charge by the courier.   

Potential cost effective freight alternatives are:

  • Share the costs of freight with a neighbour
  • Buy all your long items (such as Draught Dodgers) in one order (a second tube going to the same address is free)
  • Collect your order from Preston Victoria 

If you live regionally or in a rural location, freight costs will be high.  Do you have an address in a town where your order can be safely delivered?   We also live regionally and understand the frustration with the high costs of freight!!


Q: What is the product warranty for Raven door seals? 
A: Raven door seals carry a product warranty of 2 years, but can be highly effective for much longer than that.  We have seen very few failures of Raven products over the 20+ years that we have been installing them.    

Yes, they are slightly more expensive than other brands, but you only want to be installing your door seals once. 

Q: What is the installation warranty for Raven door seals?
A: As this is a DIY product there is no warranty on installation.  

Q: How do I get some help? 
A:  If you have any questions, contact the ecoMaster team. We are all ex-installers and have lived experience of installing thousands of Raven poroducts.  We are here to help you and share our extensive experience so you get a great outcome for your home. 

Q: What do I do if I have a problem with this product?  
A: Refer to our Returns / Refunds page [Learn More].  Our Research and Development team will be keenly interested to learn of any product failure and will want images and samples of the product (if possible) so they can determine what the cause of failure was.

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Customer Reviews

Based on 1 review
Greg Rose
Straight forward installation

The product was straight forward to install and works as specified. The installation video provided some useful tips, although I was installing onto an aluminium french door set instead of timber.

From everyone here at ecoMaster, we thank you for sharing your 5 star review with us Greg.